1 141 -3.21 40.12 1850 26.0 26.0 26.8 27.5 27.1 25.5 24.9 24.7 25.0 25.8 27.0 27.4 1851 27.2 27.5 27.9 28.9 27.8 26.4 25.4 24.9 25.2 26.1 26.7 26.5 1852 25.9 26.3 27.1 28.0 26.8 25.6 25.4 24.9 24.8 25.9 26.8 26.8 1853 26.8 26.5 27.4 28.4 27.5 26.7 26.3 25.8 26.0 26.6 26.9 27.1 1854 26.9 27.5 27.6 27.3 26.6 25.9 25.5 25.3 25.1 26.0 26.6 27.4 1855 27.0 27.2 28.1 28.3 27.6 26.4 25.8 25.1 25.0 25.5 26.6 26.6 1856 26.5 26.3 27.7 28.0 27.6 25.8 24.9 24.4 24.6 25.6 26.4 27.5 1857 26.7 26.8 27.9 28.4 27.1 25.4 24.9 24.8 24.9 25.6 26.2 26.1 1858 26.7 27.2 27.9 28.0 27.0 25.9 25.3 25.0 25.1 25.8 26.7 27.2 1859 26.9 26.8 27.4 28.1 27.5 26.3 25.5 24.6 24.4 25.8 27.1 27.0 1860 26.1 26.7 27.8 27.9 26.0 25.4 24.9 24.8 25.2 26.3 27.1 27.0 1861 26.3 26.0 27.4 28.2 27.1 26.0 25.7 25.3 25.3 26.2 27.3 27.5 1862 27.4 27.3 27.0 27.3 27.0 26.1 25.7 25.3 25.3 26.1 27.2 27.1 1863 26.8 26.6 27.0 27.3 26.9 24.8 24.6 24.5 25.1 25.6 26.3 27.6 1864 27.1 26.7 27.3 28.4 27.8 26.9 26.0 25.4 25.7 26.2 26.8 27.1 1865 25.8 25.3 26.5 27.6 27.4 25.5 25.0 24.6 24.8 25.4 26.7 26.7 1866 27.2 27.5 28.1 29.0 28.7 26.8 26.2 25.7 26.0 26.5 27.2 28.0 1867 26.6 25.9 27.0 27.6 26.6 25.8 25.2 24.9 25.6 25.9 26.8 27.0 1868 26.5 27.0 27.8 28.5 26.9 26.1 25.3 24.9 25.1 26.0 27.1 27.6 1869 26.6 26.4 26.6 27.8 26.2 25.8 25.1 25.0 25.5 26.4 27.6 27.9 1870 27.3 27.0 27.9 28.2 27.7 26.1 25.4 24.9 24.8 25.3 26.4 27.3 1871 26.9 26.9 27.7 28.4 26.9 25.6 25.1 24.9 25.0 26.2 26.7 27.7 1872 26.1 26.9 28.0 28.3 28.1 26.4 25.5 25.0 25.1 25.7 26.6 26.9 1873 26.1 26.1 27.4 28.2 26.8 25.4 24.9 24.5 24.6 25.8 27.2 27.6 1874 27.1 27.1 28.2 28.9 27.6 26.3 25.6 25.3 25.4 26.1 26.6 27.2 1875 26.5 26.4 27.4 27.8 26.6 25.7 25.0 24.7 25.2 25.9 27.3 27.8 1876 27.5 27.8 28.0 28.6 27.5 26.6 25.9 25.0 25.3 25.5 26.5 26.7 1877 26.0 26.0 26.9 27.8 26.1 24.9 24.4 24.2 24.4 25.3 26.6 26.8 1878 26.1 26.7 27.6 27.6 26.7 25.6 25.2 24.8 24.9 25.5 26.5 27.3 1879 26.8 26.7 28.0 27.9 27.4 26.3 25.5 25.0 25.1 26.0 27.4 27.3 1880 26.4 26.6 27.0 27.7 27.4 26.0 25.6 25.1 25.2 25.7 26.8 27.1 1881 26.7 27.2 28.4 27.9 26.8 26.5 25.8 25.4 25.3 26.0 26.7 27.4 1882 26.1 26.3 26.9 27.6 27.0 25.9 25.4 24.9 25.5 26.1 26.8 28.1 1883 27.7 26.5 26.9 28.0 26.9 25.4 24.8 24.4 24.8 25.3 26.3 26.9 1884 25.5 26.2 27.5 27.9 26.6 25.0 24.5 24.4 24.9 25.7 26.6 27.2 1885 27.2 26.8 27.0 28.1 26.8 25.6 24.8 24.5 24.7 25.4 26.4 26.4 1886 25.8 25.8 27.1 28.0 26.5 25.4 24.6 24.2 24.5 25.5 26.4 27.1 1887 26.1 26.5 27.0 27.5 27.1 26.3 25.6 25.1 25.5 26.0 26.7 27.1 1888 26.6 26.5 27.6 28.2 26.8 25.8 25.2 24.8 24.9 25.6 26.8 27.3 1889 27.7 27.0 28.0 27.8 27.3 26.5 25.8 25.6 25.9 26.6 26.7 26.8 1890 26.5 26.6 27.5 27.8 27.0 26.1 25.6 25.1 25.5 26.1 26.4 27.4 1891 27.3 26.4 27.5 27.9 27.0 26.1 25.4 25.4 25.6 26.0 27.0 27.3 1892 27.5 26.8 27.2 28.0 27.8 25.8 25.1 24.6 24.9 25.6 26.6 27.0 1893 27.0 26.2 26.3 27.4 27.1 25.5 25.0 24.8 25.1 25.8 27.3 27.6 1894 26.5 27.7 27.6 27.6 27.0 26.0 25.6 25.0 25.1 25.7 26.5 27.4 1895 26.2 26.4 27.4 28.4 26.6 25.6 25.1 24.6 24.8 25.5 26.7 27.7 1896 26.9 27.3 27.7 28.5 27.2 26.0 25.6 25.2 25.2 26.3 27.6 27.2 1897 26.5 26.7 27.3 27.6 26.4 25.3 25.0 24.4 24.7 25.7 26.7 27.3 1898 26.8 26.4 28.1 28.3 26.6 25.9 25.5 25.5 25.7 26.1 26.8 27.3 1899 27.3 27.4 26.7 27.8 27.5 26.7 26.0 25.4 25.6 25.9 27.2 26.9 1900 26.4 26.7 27.5 27.9 27.1 26.0 25.4 25.3 25.8 25.6 26.3 27.3 1901 27.4 26.7 27.8 28.0 27.2 26.1 25.5 25.3 25.3 25.9 27.3 27.8 1902 26.5 26.4 27.0 28.2 27.6 26.2 25.5 25.0 25.6 25.9 27.1 27.9 1903 27.0 26.7 27.4 27.5 26.8 26.1 25.0 24.9 25.5 26.4 26.7 27.2 1904 26.3 26.7 27.9 27.5 27.3 26.1 25.6 25.2 25.2 26.1 27.4 27.8 1905 27.0 26.1 26.9 27.3 26.6 25.8 25.3 25.0 25.1 25.5 26.8 27.8 1906 27.0 27.1 27.9 27.8 27.2 26.0 25.4 25.0 25.1 25.5 25.9 27.1 1907 26.4 26.0 27.1 27.7 26.9 25.5 24.8 24.6 25.0 25.6 25.9 26.7 1908 26.3 26.8 28.1 28.1 27.6 25.9 25.4 25.2 25.6 26.4 27.1 27.0 1909 26.2 27.2 27.6 27.3 27.1 25.8 24.8 25.0 25.7 26.3 27.0 27.1 1910 26.5 26.9 27.3 27.9 26.8 25.8 24.9 24.6 24.8 25.9 26.5 27.2 1911 27.0 27.8 27.8 27.5 26.5 25.9 25.1 25.1 25.3 26.0 27.0 27.5 1912 26.1 26.9 26.7 27.8 27.6 25.9 25.0 24.4 24.6 25.6 26.9 27.1 1913 26.8 26.4 27.2 27.5 26.0 25.4 25.2 25.0 25.5 25.9 26.1 26.7 1914 26.4 26.4 27.0 27.2 26.4 25.6 25.0 24.5 24.8 25.6 26.5 27.3 1915 27.3 27.3 28.1 28.2 27.5 26.5 25.8 25.5 25.6 26.6 27.6 27.9 1916 27.1 27.1 27.5 27.7 26.0 25.9 25.4 25.2 25.3 26.1 27.4 27.6 1917 26.8 27.5 28.0 28.8 27.9 26.6 26.1 25.5 25.5 26.5 27.7 27.8 1918 27.3 27.5 27.9 28.5 26.8 25.4 25.1 24.9 25.2 26.2 26.5 27.2 1919 26.6 26.5 27.5 27.6 26.9 26.3 25.4 25.0 25.2 25.8 27.0 27.8 1920 27.2 27.5 28.1 27.9 26.6 25.6 25.0 24.8 25.0 25.9 26.5 27.0 1921 26.3 26.2 26.7 27.6 27.6 26.2 25.2 24.5 25.0 26.0 26.8 26.9 1922 26.8 27.1 26.7 27.3 26.6 25.7 24.8 24.5 25.2 26.4 27.4 27.1 1923 26.0 25.9 27.4 27.5 28.0 27.2 26.1 25.5 25.6 26.4 27.0 27.5 1924 27.4 26.4 27.4 28.4 27.2 25.0 24.6 24.5 25.0 25.2 25.5 27.0 1925 26.6 27.1 27.8 27.9 26.5 25.4 24.6 24.3 24.6 25.2 26.5 26.2 1926 26.1 26.5 26.6 26.7 27.3 25.7 24.8 24.3 24.7 25.6 26.4 27.6 1927 26.8 27.2 27.8 28.0 26.5 25.3 24.8 24.7 25.1 25.6 26.2 26.1 1928 25.8 26.2 26.8 27.8 27.5 26.1 25.4 25.2 25.4 25.9 26.7 27.5 1929 27.1 27.1 27.5 28.4 27.4 26.5 25.8 25.5 25.9 26.7 27.6 26.9 1930 26.3 26.5 27.2 28.1 27.4 26.0 25.6 25.2 25.4 25.9 27.0 27.4 1931 27.2 27.6 28.2 28.3 26.9 25.8 25.6 25.2 25.4 25.9 27.0 27.1 1932 26.6 27.2 27.5 27.7 26.4 25.5 24.6 24.4 24.8 26.1 27.5 28.1 1933 26.9 27.1 27.9 28.5 28.5 26.4 26.0 25.7 25.9 26.4 27.1 27.8 1934 26.7 27.1 27.7 28.2 27.7 26.6 25.8 25.4 25.8 26.2 27.2 27.5 1935 26.6 27.1 28.0 27.8 25.8 25.5 25.5 25.1 25.3 25.9 26.8 27.2 1936 27.2 27.8 28.1 28.1 26.9 25.9 25.2 24.7 25.0 25.9 26.6 26.6 1937 26.7 26.7 27.7 28.2 27.0 26.1 25.6 25.4 25.6 26.2 26.7 27.7 1938 26.5 26.3 27.0 28.1 27.7 26.3 26.2 25.6 25.8 25.7 26.4 27.2 1939 26.9 26.8 27.7 28.5 27.6 25.9 25.0 24.6 25.2 25.8 27.4 28.0 1940 28.1 27.9 28.1 28.9 27.3 26.3 26.0 25.8 25.7 26.8 27.1 27.3 1941 25.7 26.2 27.5 28.3 27.5 25.8 25.3 25.1 25.1 26.3 27.6 27.5 1942 27.3 27.5 27.1 28.1 28.2 26.2 25.1 24.7 25.2 25.8 27.0 27.8 1943 26.9 26.7 27.8 28.3 27.5 26.0 25.5 25.0 25.4 26.1 26.8 27.8 1944 27.4 27.7 28.2 28.5 27.5 26.2 25.7 25.2 25.5 26.1 27.0 27.4 1945 26.2 25.8 27.0 27.9 27.7 26.1 25.4 24.8 25.0 25.2 26.2 27.5 1946 26.7 26.4 27.3 28.0 27.8 26.1 25.8 25.4 25.5 26.5 27.4 27.6 1947 27.4 27.2 27.8 28.3 27.6 26.4 25.8 25.3 25.2 26.0 26.9 27.7 1948 26.6 26.9 28.4 29.1 27.7 25.8 25.2 25.0 25.4 26.7 27.8 27.6 1949 27.5 27.5 28.1 28.6 27.6 26.9 26.3 25.9 26.2 26.8 27.0 27.1 1950 26.7 26.5 27.7 28.1 27.0 26.3 25.6 25.1 25.5 26.2 27.2 26.4 1951 26.2 27.2 27.6 28.8 28.1 26.3 25.9 25.7 25.9 26.3 27.5 28.4 1952 27.9 28.0 28.0 28.7 27.3 26.1 26.1 26.3 26.4 26.9 27.5 28.0 1953 27.4 27.9 28.2 28.5 28.3 27.4 26.3 25.4 25.6 26.4 27.2 27.1 1954 26.4 26.5 27.3 28.0 27.0 25.7 25.1 24.8 25.2 25.8 26.5 27.9 1955 28.1 28.2 28.1 29.1 28.0 26.7 25.9 25.5 25.8 25.7 27.0 27.9 1956 27.2 26.9 27.9 28.4 27.0 26.3 25.8 25.1 25.6 26.2 27.3 27.6 1957 26.8 27.2 28.0 28.5 28.0 26.9 25.6 25.4 25.5 26.4 27.2 26.9 1958 26.8 27.2 27.6 28.0 27.3 26.2 25.7 25.3 25.4 26.5 27.7 27.3 1959 27.0 27.2 28.1 28.1 27.2 26.0 25.2 24.8 25.5 26.4 26.7 27.7 1960 27.6 28.3 28.5 28.3 27.4 26.1 25.6 25.2 25.5 26.2 26.7 27.2 1961 26.5 27.1 27.3 27.5 27.2 26.2 25.6 25.2 25.3 25.9 27.1 28.0 1962 26.8 27.1 28.2 29.2 28.3 26.3 25.6 25.2 25.7 26.5 27.5 27.6 1963 27.3 27.7 28.2 29.2 27.8 26.8 26.0 25.8 26.0 26.6 27.8 28.4 1964 27.4 27.2 27.6 28.4 27.1 26.6 25.8 25.3 25.9 26.6 27.4 28.3 1965 27.0 27.4 28.5 27.9 27.1 26.4 25.6 25.4 25.6 26.1 27.5 28.0 1966 27.3 27.0 27.5 28.2 27.4 26.0 25.8 25.4 25.6 26.3 27.2 27.7 1967 27.0 28.0 27.7 28.4 27.5 26.3 25.8 25.6 26.1 26.7 27.2 26.8 1968 26.4 26.8 27.7 28.3 27.9 25.9 25.4 25.1 25.4 25.9 26.9 27.5 1969 27.0 27.3 28.2 28.2 27.4 26.3 26.0 25.7 25.8 26.7 27.4 27.5 1970 27.6 28.2 28.6 28.5 27.2 26.8 26.3 26.0 26.0 26.6 27.7 28.2 1971 26.6 26.6 27.8 28.8 27.9 26.8 26.2 25.9 25.9 26.5 26.4 26.8 1972 26.8 27.3 28.1 28.9 27.8 26.1 25.4 25.3 25.3 25.5 26.4 27.2 1973 26.5 27.8 27.8 29.1 27.7 26.4 25.9 25.6 25.9 27.0 27.5 27.6 1974 27.0 27.2 28.2 28.5 28.0 26.8 26.0 25.1 25.4 26.3 27.1 27.7 1975 26.4 27.4 28.3 28.4 27.4 26.1 26.0 26.1 26.4 26.8 28.0 27.8 1976 27.0 26.8 27.9 29.0 28.5 26.7 25.6 24.9 25.0 26.0 27.0 27.7 1977 26.7 26.9 28.0 28.7 27.6 25.8 25.3 25.0 25.2 26.2 27.6 27.5 1978 27.4 28.2 28.0 28.0 27.1 26.6 26.0 25.4 25.7 26.0 27.3 27.7 1979 26.7 26.9 27.9 28.5 28.1 26.5 25.7 25.4 25.1 26.1 27.5 28.1 1980 27.8 27.9 27.8 28.3 27.6 26.3 26.1 25.7 25.7 26.5 27.1 27.3 1981 27.2 27.6 28.3 29.0 27.9 26.6 25.7 25.1 25.4 26.1 27.4 27.8 1982 27.3 27.4 28.7 29.3 27.6 26.8 26.5 25.7 26.4 26.7 27.6 27.8 1983 27.3 27.6 28.3 28.3 27.3 26.3 26.1 25.4 25.7 26.2 26.6 27.1 1984 26.8 27.1 27.8 27.2 26.5 26.0 25.4 25.1 25.6 25.9 27.0 27.9 1985 26.7 27.4 28.2 28.0 27.9 26.4 25.7 25.9 26.2 26.9 27.7 27.0 1986 27.3 27.8 28.5 28.7 27.5 26.3 25.7 25.2 25.5 26.3 27.4 27.4 1987 27.3 28.0 28.5 28.7 27.7 26.3 25.9 25.7 25.7 26.5 27.3 27.5 1988 26.7 27.0 27.9 28.2 27.4 25.9 25.3 25.0 25.6 26.2 27.5 28.5 1989 28.1 27.8 28.7 29.2 28.2 27.4 26.8 26.2 26.4 26.5 27.2 27.3 1990 26.6 26.9 27.9 28.8 27.8 26.3 26.0 25.5 25.9 26.6 27.1 28.0 2 141 -27.46 113.77 1850 21.7 22.6 23.2 22.9 21.5 20.5 19.6 19.1 18.9 19.2 20.4 21.8 1851 23.3 23.9 24.0 23.9 21.6 19.7 18.9 18.5 18.4 18.7 19.9 22.1 1852 25.1 26.4 25.4 23.5 21.9 20.8 19.9 19.2 19.0 19.2 20.1 21.4 1853 22.6 24.4 24.6 23.5 21.8 20.2 19.3 18.8 18.6 18.9 20.0 21.4 1854 22.4 23.2 24.1 23.1 21.7 20.4 19.2 18.7 18.7 18.9 20.1 21.5 1855 23.5 25.0 25.0 24.7 23.1 21.3 20.0 19.5 19.2 19.5 20.5 22.1 1856 23.6 24.5 24.4 23.9 22.5 20.8 19.8 19.3 19.1 19.3 20.2 21.8 1857 23.4 24.7 25.1 24.9 22.7 21.3 20.2 19.7 19.4 19.6 20.0 21.3 1858 22.6 23.0 23.1 23.0 21.6 20.1 19.3 19.1 19.0 19.0 20.1 21.9 1859 23.8 24.9 24.7 24.1 23.3 21.4 20.2 19.5 19.1 19.5 20.3 21.3 1860 22.6 23.8 24.3 23.8 22.4 21.0 19.7 19.1 19.0 19.2 20.4 22.4 1861 23.0 23.6 23.5 23.4 21.7 20.0 19.2 18.9 18.9 19.1 20.3 21.7 1862 23.2 24.2 24.9 23.6 21.7 20.2 19.4 18.9 18.8 18.9 19.8 21.3 1863 23.0 24.1 24.5 23.5 22.1 20.9 19.9 19.4 19.2 19.4 20.5 22.4 1864 23.9 24.5 24.5 24.2 22.1 20.5 19.2 18.8 18.8 19.4 19.9 21.1 1865 23.5 25.5 25.3 24.0 23.1 21.8 20.7 20.0 19.7 19.9 20.8 22.2 1866 23.4 23.8 23.7 22.8 21.4 19.8 19.3 19.1 19.0 19.2 20.6 21.9 1867 23.7 24.9 24.2 23.5 22.4 20.9 20.2 19.7 19.3 19.4 20.4 23.0 1868 23.8 23.8 24.4 23.8 22.0 20.4 19.6 19.1 18.8 19.1 19.9 21.0 1869 22.3 23.2 23.2 22.8 21.2 19.9 19.1 18.8 18.7 19.1 19.8 21.3 1870 24.2 26.0 25.2 23.0 21.6 20.2 19.4 18.9 18.7 19.1 19.8 20.8 1871 21.8 22.7 23.2 22.5 21.6 20.4 19.4 18.9 18.7 19.0 19.9 21.5 1872 23.0 22.8 23.2 23.1 21.6 20.1 19.0 18.5 18.3 19.0 20.0 21.6 1873 23.6 24.8 24.8 24.0 22.2 20.6 19.8 19.4 19.2 19.5 20.5 22.2 1874 23.4 25.1 25.4 23.9 21.9 20.0 19.1 18.8 18.7 18.9 20.1 22.1 1875 23.5 24.4 24.0 23.1 22.1 20.6 19.6 19.1 19.0 19.3 20.3 21.8 1876 24.0 25.5 24.8 24.0 22.0 20.5 19.5 18.9 18.7 18.9 19.7 22.1 1877 24.3 26.2 24.7 23.1 22.3 21.0 20.2 19.6 19.4 19.6 20.4 21.4 1878 23.1 23.7 24.4 23.0 21.6 20.6 19.8 19.3 19.1 19.5 20.4 21.7 1879 22.5 22.8 22.9 22.8 21.5 20.0 19.2 18.8 18.6 18.9 20.0 21.3 1880 22.5 24.0 24.7 24.0 22.5 21.2 20.1 19.4 19.4 20.0 20.8 21.6 1881 22.9 24.0 24.4 23.7 22.2 20.7 19.6 19.2 19.0 19.0 19.8 21.1 1882 22.7 23.6 24.0 22.8 21.5 20.4 19.6 19.1 19.0 19.4 20.3 22.1 1883 23.3 23.9 23.8 23.9 21.9 20.2 19.3 19.0 18.8 19.0 19.7 20.9 1884 22.4 23.7 24.6 24.0 22.0 20.7 19.7 19.2 19.1 19.7 20.5 21.5 1885 23.4 24.4 24.4 24.1 21.8 20.0 19.1 18.9 18.9 18.9 19.9 22.0 1886 24.0 24.5 24.9 23.9 22.0 20.5 19.8 19.2 19.2 19.3 20.0 21.4 1887 23.0 24.2 24.3 24.0 21.8 20.5 19.7 19.1 19.0 19.5 21.4 22.5 1888 23.5 24.6 24.7 23.9 22.0 20.6 19.5 19.0 18.9 19.4 20.3 21.9 1889 23.1 24.1 23.8 23.2 21.5 19.9 19.1 18.7 18.7 19.2 20.4 22.0 1890 23.6 24.4 24.4 23.9 22.3 20.8 19.8 19.3 19.1 19.5 20.5 22.0 1891 22.8 24.0 24.3 24.1 22.1 20.5 19.5 19.1 19.1 19.6 21.0 22.4 1892 23.1 24.2 24.8 23.7 22.0 20.5 19.5 19.0 18.8 19.0 20.2 22.9 1893 25.0 25.2 25.0 23.9 22.7 21.0 19.9 19.3 19.0 19.3 19.9 21.7 1894 24.6 25.6 25.4 24.1 21.9 19.9 19.1 18.8 18.6 19.0 19.9 21.5 1895 22.9 24.0 24.3 23.7 21.7 20.4 19.5 19.0 18.8 19.3 20.2 21.1 1896 21.9 22.7 23.4 23.2 22.6 21.0 19.6 18.9 18.8 19.1 20.4 23.3 1897 24.6 24.5 25.8 25.0 23.7 21.5 20.1 19.3 19.1 19.4 20.3 21.8 1898 23.5 24.0 24.7 23.6 21.6 20.5 19.5 19.1 19.1 19.5 20.9 22.5 1899 23.8 24.5 25.0 23.2 21.2 19.9 19.2 18.9 18.9 19.5 20.3 22.8 1900 24.5 24.7 24.8 23.5 22.1 20.9 19.9 19.5 19.4 19.7 20.6 22.0 1901 23.6 24.3 24.9 24.1 23.0 21.3 20.2 19.5 19.2 19.5 20.6 21.5 1902 22.8 24.0 23.7 23.2 21.9 20.3 19.4 19.1 18.9 19.1 20.0 20.9 1903 22.6 23.8 24.6 24.5 22.6 20.7 19.7 19.1 18.8 18.8 19.4 20.7 1904 22.4 24.2 24.6 23.6 22.1 20.5 19.4 19.0 18.9 19.2 20.3 21.4 1905 23.1 24.1 24.2 23.0 21.6 20.4 19.6 19.0 18.9 19.1 20.0 21.7 1906 22.8 23.5 24.1 23.7 21.2 19.7 19.0 18.7 18.7 18.8 19.6 21.7 1907 24.2 25.5 25.2 23.8 21.8 20.4 19.5 18.9 18.7 18.9 19.5 20.7 1908 23.1 25.2 24.2 23.1 22.2 20.7 19.6 19.0 18.8 19.3 20.3 21.7 1909 23.2 24.3 24.9 24.5 22.5 21.1 19.9 19.2 19.0 19.5 20.5 22.0 1910 24.9 25.2 25.7 24.0 22.1 21.0 20.0 19.5 19.3 19.7 20.3 21.8 1911 23.5 24.3 24.8 24.5 22.9 20.5 19.3 19.0 18.8 19.1 19.9 21.3 1912 22.5 23.6 24.3 23.9 22.0 21.0 20.2 19.6 19.3 19.6 20.2 21.4 1913 22.8 24.2 24.2 23.0 21.8 20.5 19.3 18.9 18.7 18.8 20.2 21.6 1914 22.7 23.2 24.3 23.7 21.9 20.2 19.3 18.8 18.7 19.3 20.2 21.8 1915 24.0 23.8 23.6 23.0 21.3 19.8 19.0 18.6 18.5 19.0 20.1 21.8 1916 23.7 24.3 23.8 23.6 22.7 21.2 20.1 19.5 19.1 19.3 20.3 22.3 1917 24.3 26.0 25.9 24.8 22.5 20.5 19.5 19.2 19.0 19.1 19.8 21.3 1918 22.7 24.0 25.5 25.0 23.1 21.3 20.2 19.4 19.3 19.5 20.6 22.2 1919 24.0 24.5 24.7 25.0 23.4 21.5 20.2 19.6 19.3 19.5 20.4 21.9 1920 23.1 23.5 23.5 23.3 21.2 19.6 19.0 18.6 18.6 18.6 19.5 20.7 1921 23.1 25.1 24.7 23.8 23.0 21.4 20.2 19.4 19.1 19.3 20.6 22.1 1922 23.3 23.8 23.9 23.1 21.8 20.3 19.2 18.8 18.6 19.0 20.3 21.9 1923 24.1 25.3 24.2 23.6 22.4 21.3 20.2 19.5 19.3 19.5 20.5 21.8 1924 23.2 24.2 24.6 23.4 21.6 20.4 19.8 19.4 19.2 19.6 20.5 22.3 1925 23.6 24.6 25.0 24.2 22.8 20.7 19.6 19.0 18.9 19.2 20.3 22.7 1926 23.7 24.9 25.0 24.3 22.9 21.4 20.3 19.8 19.5 20.1 21.0 22.1 1927 24.4 24.9 25.5 24.3 22.1 20.5 19.5 19.0 18.8 19.4 20.1 20.8 1928 22.4 23.6 24.3 24.1 22.6 21.0 20.0 19.3 19.0 19.6 20.6 22.3 1929 23.4 24.5 25.0 24.5 22.1 20.1 19.1 18.7 18.5 18.8 19.7 21.2 1930 22.9 23.8 24.4 23.6 22.2 20.9 20.1 19.4 19.3 20.1 21.0 22.5 1931 24.2 25.1 25.0 23.2 21.7 19.9 19.0 18.5 18.4 19.0 20.1 21.6 1932 23.2 24.1 24.4 24.3 22.8 21.2 20.1 19.5 19.2 19.6 20.8 22.1 1933 24.0 24.0 24.3 24.3 22.3 20.4 19.3 18.9 18.7 19.0 19.9 20.9 1934 22.7 23.7 24.9 24.0 22.7 21.0 19.8 19.0 18.8 19.1 20.1 21.7 1935 23.4 24.3 24.6 24.5 23.0 21.0 19.9 19.3 19.0 19.2 20.3 21.8 1936 23.5 25.3 25.0 23.4 21.5 19.9 19.3 18.9 18.8 19.3 20.0 21.5 1937 23.7 24.9 25.2 24.6 23.0 21.3 20.3 19.7 19.4 20.0 20.9 22.1 1938 23.4 24.0 24.0 23.4 21.7 20.6 19.9 19.4 19.2 19.6 20.6 21.7 1939 24.1 25.5 24.3 23.0 22.4 21.1 20.1 19.4 19.2 19.7 20.8 22.8 1940 24.7 25.2 25.0 24.5 22.1 20.7 19.8 19.2 19.1 19.5 20.3 21.3 1941 23.4 24.5 24.6 23.9 23.1 21.7 20.8 20.2 20.0 20.3 21.6 22.8 1942 24.2 25.5 25.2 24.0 22.9 21.5 20.2 19.6 19.2 19.3 20.3 22.0 1943 24.7 25.9 24.7 23.2 22.4 21.3 20.3 19.7 19.6 20.2 21.1 22.5 1944 23.6 24.2 24.9 24.1 22.4 20.7 19.7 19.4 19.2 19.5 20.6 21.4 1945 23.7 25.9 24.3 23.8 22.7 21.4 20.5 19.9 19.8 20.1 21.2 22.1 1946 23.8 24.8 25.2 24.3 22.7 21.2 20.4 19.8 19.6 19.9 20.7 22.3 1947 23.8 25.0 25.1 23.9 22.1 20.7 19.8 19.3 19.1 19.5 20.3 21.6 1948 24.6 25.8 25.9 23.7 21.9 20.5 19.7 19.2 19.1 19.5 20.6 22.0 1949 23.2 24.4 24.7 24.4 23.0 21.3 20.3 19.6 19.2 19.5 20.1 21.4 1950 22.7 24.4 25.0 24.5 23.1 21.0 20.0 19.5 19.2 19.5 20.8 22.7 1951 24.1 24.7 24.9 23.9 22.1 20.6 19.8 19.3 19.3 19.5 20.5 22.6 1952 24.9 25.8 26.4 25.2 22.2 20.2 19.4 19.1 19.1 19.7 21.1 22.9 1953 24.4 25.0 24.8 23.8 22.0 20.7 19.5 19.0 18.8 18.9 20.2 21.0 1954 22.9 24.5 24.5 23.4 22.0 20.6 19.7 19.3 19.2 19.5 20.5 21.9 1955 23.9 25.8 26.4 25.4 22.9 21.2 20.0 19.3 19.2 19.7 20.6 21.8 1956 24.7 26.1 25.3 24.0 22.2 21.0 20.1 19.5 19.4 19.8 20.6 21.5 1957 22.6 23.8 24.2 23.5 22.6 21.2 20.1 19.5 19.4 19.7 20.6 22.1 1958 23.0 23.5 24.3 23.3 21.8 20.6 19.6 19.2 19.4 19.7 20.8 22.8 1959 24.5 25.9 25.3 24.5 23.3 21.7 20.6 19.9 19.7 20.1 21.1 22.1 1960 23.3 24.5 24.8 24.3 22.6 21.0 19.8 19.2 19.1 19.3 20.2 21.8 1961 23.2 23.8 24.7 24.0 22.2 20.8 19.9 19.4 19.2 20.0 20.8 21.9 1962 23.2 23.9 24.2 24.2 23.0 21.0 20.1 19.5 19.2 19.5 20.5 22.1 1963 24.3 25.1 25.3 24.5 22.3 20.4 19.6 19.2 19.0 19.1 20.3 22.0 1964 25.0 26.1 25.0 24.5 22.7 20.8 19.7 19.1 18.9 19.2 20.2 21.7 1965 23.6 25.2 25.2 24.0 22.1 20.7 19.8 19.3 19.4 19.5 20.5 21.5 1966 22.5 23.3 24.0 23.7 22.3 21.1 20.2 19.7 19.5 19.8 20.9 22.2 1967 23.7 24.5 25.5 24.9 22.6 21.1 19.9 19.3 19.1 19.4 20.3 22.0 1968 24.1 26.0 25.7 24.5 23.1 21.9 20.6 20.0 19.7 19.8 20.6 21.5 1969 22.4 24.0 23.9 23.1 21.9 20.6 19.9 19.4 19.1 19.3 20.1 21.3 1970 22.4 23.6 23.8 23.7 21.8 20.1 19.3 18.9 18.8 19.0 20.4 22.0 1971 23.7 24.8 25.1 24.4 22.5 20.7 19.7 19.2 19.0 19.3 20.6 22.5 1972 24.1 25.1 24.8 24.5 23.4 21.6 20.3 19.6 19.2 19.6 20.6 21.6 1973 22.8 23.7 24.6 23.8 22.2 20.6 19.6 19.2 19.2 19.5 20.4 22.6 1974 25.0 26.2 25.9 24.1 22.8 21.2 20.1 19.5 19.4 19.4 20.3 21.2 1975 22.9 23.7 24.2 24.0 22.3 20.6 19.6 19.2 19.0 19.3 20.0 21.1 1976 22.7 24.6 25.5 24.1 22.5 21.2 19.9 19.2 19.1 19.5 20.8 22.7 1977 24.1 24.5 24.6 24.5 23.4 21.4 20.2 19.6 19.5 19.9 20.8 21.8 1978 23.1 23.7 23.9 23.9 22.4 20.8 19.8 19.3 19.2 19.5 20.4 21.2 1979 23.9 25.1 23.4 23.1 22.4 21.1 20.3 20.0 19.7 19.8 20.5 21.5 1980 22.4 23.0 23.9 23.0 22.3 21.0 19.9 19.4 19.2 19.6 20.8 22.3 1981 23.7 25.0 25.8 25.2 23.3 21.6 20.7 20.0 19.9 20.0 20.8 22.1 1982 25.0 25.1 24.9 24.6 22.9 21.4 20.3 19.5 19.4 20.0 21.0 22.5 1983 23.6 24.4 24.8 24.0 22.1 20.6 19.7 19.3 19.1 19.4 20.1 21.4 1984 23.0 23.9 24.5 23.5 21.8 20.4 19.6 19.3 19.1 19.3 20.2 21.5 1985 23.1 24.4 24.9 24.2 23.1 21.1 20.0 19.4 19.1 19.3 20.4 22.0 1986 25.1 25.7 26.5 24.0 22.4 20.6 19.8 19.3 19.2 19.6 20.6 22.6 1987 24.5 24.9 25.1 25.3 23.6 21.4 20.4 19.8 19.6 19.6 20.3 23.1 1988 26.4 26.6 24.8 24.0 23.0 21.8 20.6 20.0 19.8 19.9 21.0 22.8 1989 24.5 25.2 25.8 25.2 23.0 20.9 19.9 19.5 19.4 19.8 21.0 23.2 1990 25.3 27.0 27.1 25.2 23.4 21.7 20.7 20.2 20.2 20.7 21.5 22.5 3 141 -22.29 166.27 1850 25.1 26.1 26.6 26.3 24.6 23.3 21.6 21.1 21.1 22.0 23.4 25.2 1851 26.8 27.5 27.5 26.1 24.9 24.0 22.7 21.8 22.0 22.1 23.1 24.5 1852 25.8 26.3 25.9 26.0 24.6 22.8 22.1 21.9 21.6 22.1 23.5 24.7 1853 26.0 27.1 27.8 26.9 25.1 23.3 22.0 21.3 21.5 22.5 23.5 25.5 1854 26.9 27.7 27.7 26.5 25.1 23.5 22.3 21.5 21.4 21.7 23.8 25.7 1855 26.6 28.0 28.0 26.6 24.8 23.1 22.0 21.5 21.7 22.3 23.5 25.2 1856 26.7 27.2 26.7 26.3 25.4 23.8 22.3 21.6 21.6 22.6 23.4 24.3 1857 25.6 26.8 26.8 25.8 24.9 23.6 22.2 21.5 21.1 22.0 23.5 25.3 1858 26.8 27.3 26.7 25.5 24.4 23.4 22.2 21.4 21.3 22.3 23.4 24.5 1859 26.0 26.8 26.7 25.8 23.8 23.0 22.3 22.0 22.1 22.7 24.2 25.9 1860 26.9 27.1 26.7 25.1 23.8 22.9 22.1 21.4 21.1 21.7 23.4 24.6 1861 25.6 26.7 26.9 26.0 24.6 23.8 22.5 22.0 22.0 22.7 23.6 24.3 1862 25.5 27.0 26.8 26.3 25.1 23.9 22.3 21.5 21.2 21.8 22.7 24.5 1863 26.0 26.2 26.7 26.5 25.0 23.5 22.2 21.5 21.7 22.7 23.7 24.6 1864 25.5 26.3 26.9 26.6 25.2 23.5 22.2 21.9 22.1 22.5 23.4 24.5 1865 25.8 26.4 26.4 26.0 24.6 23.6 22.2 21.7 21.4 22.1 23.4 24.7 1866 25.6 26.5 26.7 25.9 24.9 23.9 22.9 22.2 22.4 22.9 23.6 24.7 1867 26.2 27.2 26.3 25.5 24.1 23.2 22.2 21.8 22.2 22.5 23.0 24.1 1868 25.6 26.8 27.2 26.2 25.5 23.9 22.5 22.1 21.8 22.5 23.7 25.1 1869 26.4 27.0 27.5 26.2 24.5 23.1 22.1 21.3 21.4 21.8 22.9 24.7 1870 26.2 27.0 27.2 26.6 24.8 22.8 21.8 21.4 21.4 21.7 23.3 25.2 1871 26.9 27.7 27.7 27.3 25.7 24.4 22.9 22.1 22.1 22.5 23.4 24.5 1872 25.4 26.7 27.2 26.1 25.0 23.9 22.8 22.5 22.5 22.5 23.2 24.7 1873 25.8 26.0 26.5 26.1 25.0 23.5 22.2 21.8 21.7 22.4 23.2 24.5 1874 25.6 26.5 27.3 27.2 25.3 24.1 22.9 21.5 21.1 21.8 23.0 24.8 1875 26.5 26.4 27.0 26.2 24.0 22.4 21.4 20.9 21.1 22.0 23.6 25.5 1876 27.2 27.9 27.7 27.1 25.2 23.6 22.5 22.0 22.4 23.0 23.7 24.3 1877 25.1 26.2 26.2 25.6 24.0 23.3 22.9 22.0 22.1 22.5 23.5 24.9 1878 26.2 27.3 27.6 26.3 25.3 24.3 23.2 22.2 22.1 22.3 23.3 24.6 1879 26.0 26.9 27.2 25.8 24.4 23.3 22.6 21.9 21.5 22.1 23.3 25.0 1880 26.5 27.3 27.2 26.1 24.2 22.7 22.0 21.7 21.6 22.1 23.0 24.9 1881 26.7 27.1 27.1 26.7 25.3 23.6 22.5 21.7 21.8 22.5 23.6 24.9 1882 26.2 26.2 26.8 26.3 25.0 23.6 22.8 21.9 21.5 22.2 23.3 25.4 1883 26.9 28.2 27.9 26.6 25.1 24.0 22.5 22.2 22.4 22.8 23.6 24.8 1884 25.8 26.5 26.2 25.5 23.7 22.4 21.7 21.4 21.2 21.8 23.4 25.0 1885 25.8 25.9 26.2 25.4 24.5 23.4 22.6 21.5 21.3 21.7 22.3 24.1 1886 25.3 26.7 26.6 26.2 24.7 23.3 22.2 21.5 21.3 22.1 23.3 25.1 1887 26.6 26.6 26.5 25.9 24.5 23.1 21.7 21.0 20.9 21.8 23.1 24.5 1888 25.2 26.4 27.0 25.9 24.6 23.4 21.9 21.1 21.1 21.6 23.1 25.3 1889 26.2 26.8 26.8 25.8 24.5 23.3 22.5 21.8 21.2 21.6 22.8 24.4 1890 25.6 26.6 27.0 26.7 25.3 23.5 22.3 21.4 21.2 21.7 23.2 24.8 1891 25.9 27.3 27.1 26.0 24.6 23.0 21.5 20.8 20.9 22.2 23.7 25.2 1892 26.2 27.1 27.4 26.6 25.2 23.6 22.6 22.0 21.8 21.9 22.5 24.1 1893 26.2 27.4 27.2 26.7 24.8 23.3 21.7 21.3 21.4 22.4 24.0 25.4 1894 26.7 27.4 27.0 26.4 24.8 23.4 22.2 21.7 21.9 22.4 23.5 25.3 1895 26.0 25.9 26.3 25.3 24.2 23.0 22.0 21.3 21.6 21.8 22.9 24.6 1896 25.8 27.1 27.2 25.8 24.7 23.4 22.4 22.0 21.9 22.8 23.7 24.9 1897 25.2 26.6 27.5 27.1 25.2 23.2 22.3 21.7 21.5 22.1 22.9 24.2 1898 25.0 26.2 26.7 26.1 25.3 23.9 22.6 21.6 21.0 21.6 22.5 25.5 1899 26.9 27.1 26.4 26.0 24.4 23.2 22.1 21.5 21.5 22.0 23.5 25.1 1900 26.5 27.9 28.0 26.4 24.9 23.5 22.1 21.1 20.9 21.7 22.9 24.8 1901 26.8 28.4 27.8 27.0 25.5 24.0 23.1 22.4 22.0 22.2 23.2 24.7 1902 26.0 26.6 26.8 26.3 24.7 22.9 22.4 22.0 21.8 22.2 23.5 25.0 1903 26.8 27.9 27.9 26.8 24.7 23.5 22.2 21.6 21.7 22.1 22.8 23.9 1904 24.9 25.9 26.5 25.2 24.1 23.0 21.7 21.2 21.0 21.7 22.6 24.5 1905 26.0 26.5 27.0 26.3 24.4 23.1 22.1 21.2 21.1 21.6 22.5 24.0 1906 25.7 26.6 26.7 26.4 25.2 23.6 22.5 21.6 21.5 21.7 23.4 25.5 1907 26.8 27.2 27.1 26.8 25.4 23.5 22.1 21.3 21.1 21.5 22.3 24.2 1908 25.8 26.6 26.8 26.6 25.0 23.9 23.1 22.1 21.8 22.2 23.4 25.1 1909 26.4 26.9 27.1 26.5 25.3 23.4 22.4 21.8 21.7 22.0 23.4 24.8 1910 25.9 25.8 26.2 25.7 24.4 23.2 22.3 21.8 21.5 22.2 23.0 24.4 1911 25.5 27.2 27.9 27.5 25.8 24.3 23.0 22.3 22.4 22.9 23.7 24.6 1912 25.7 26.3 25.9 25.8 23.9 22.0 21.4 21.1 21.2 21.8 23.2 24.8 1913 25.9 26.6 26.2 26.0 24.7 23.4 22.5 22.0 22.0 22.6 23.3 24.5 1914 26.0 27.1 26.7 26.5 25.5 23.5 22.1 21.5 21.3 21.9 23.1 25.2 1915 26.4 27.2 27.0 26.9 25.0 23.3 22.4 21.8 22.0 22.9 24.2 25.0 1916 26.5 27.3 27.5 26.4 24.6 23.1 22.3 21.8 22.0 22.6 23.2 24.6 1917 26.1 27.1 27.1 26.3 25.1 24.1 22.7 22.0 21.7 21.9 23.2 25.6 1918 27.0 27.1 26.9 25.9 24.6 23.4 22.5 21.8 21.6 22.0 23.0 24.5 1919 26.1 27.5 27.8 26.5 24.5 23.0 22.3 22.1 22.3 22.8 23.9 25.2 1920 26.8 27.3 26.9 25.7 24.6 23.7 22.5 22.0 22.0 22.8 24.1 25.4 1921 26.2 26.5 26.9 25.7 24.5 22.9 21.8 21.4 21.2 22.1 23.5 25.0 1922 26.6 27.7 27.7 26.8 25.2 23.6 22.3 21.6 21.5 22.1 23.4 24.8 1923 26.4 26.8 27.4 26.5 24.8 23.2 22.0 21.9 21.7 22.5 23.1 24.8 1924 26.2 27.1 27.0 25.2 24.0 22.7 21.7 21.1 21.0 21.6 22.9 24.5 1925 26.2 27.1 28.2 27.3 24.8 23.3 22.3 21.6 21.3 21.5 22.8 26.0 1926 26.5 26.8 26.3 25.4 23.6 22.6 21.9 21.5 21.6 22.2 23.6 25.4 1927 26.4 27.0 27.0 26.0 25.4 23.7 22.5 21.8 21.8 22.1 23.4 24.6 1928 25.7 26.6 27.2 26.5 24.8 22.9 21.7 21.1 21.3 21.7 22.7 24.7 1929 25.9 27.1 27.4 26.9 25.0 23.6 22.5 21.6 21.4 22.0 22.7 24.5 1930 25.7 26.8 27.0 26.2 24.8 23.2 22.3 21.8 21.5 22.0 23.5 25.0 1931 26.3 27.3 27.7 26.6 24.9 23.3 21.9 21.4 21.3 21.7 23.5 26.5 1932 27.4 27.5 26.4 25.8 24.4 22.9 22.0 21.3 21.1 21.9 23.0 24.3 1933 26.1 27.7 27.7 26.0 24.8 23.8 22.7 21.6 21.5 22.2 22.9 25.0 1934 27.2 27.6 27.4 25.9 25.0 23.2 22.3 21.8 21.6 22.2 23.2 25.3 1935 26.3 27.1 26.6 25.6 24.5 23.2 22.0 21.4 21.5 21.7 22.7 24.3 1936 25.9 27.0 27.2 26.5 25.9 24.0 23.2 22.7 22.3 23.0 23.9 25.2 1937 26.0 26.2 26.4 25.9 25.2 23.5 22.3 22.2 22.2 22.4 23.0 23.7 1938 25.0 25.8 26.0 25.8 25.2 23.5 22.3 22.1 22.1 22.8 24.0 25.3 1939 26.7 27.7 27.6 26.6 24.6 23.5 22.5 21.8 21.9 21.8 23.3 25.0 1940 26.7 27.2 27.6 26.2 25.2 23.9 22.9 22.3 22.0 22.0 23.6 24.8 1941 26.0 27.5 27.1 24.9 24.1 22.9 21.7 21.4 21.7 22.1 23.4 25.3 1942 26.8 27.6 27.8 26.6 25.4 23.9 22.8 21.7 21.2 22.0 22.6 24.9 1943 26.8 26.9 26.6 25.4 24.2 23.3 22.7 22.1 22.0 22.5 24.1 25.7 1944 27.1 28.3 27.5 26.6 25.0 24.1 23.0 22.6 22.8 23.3 23.7 24.8 1945 25.9 26.5 26.7 26.6 25.4 23.9 22.5 22.3 22.1 22.6 23.7 25.4 1946 26.8 27.0 26.5 26.7 25.4 23.4 22.1 21.7 21.7 22.3 23.4 25.3 1947 26.5 26.6 26.9 26.0 24.9 23.7 22.5 21.9 21.7 22.1 23.1 24.5 1948 26.7 28.1 26.8 26.7 26.0 24.2 22.8 22.1 21.9 22.3 24.3 26.0 1949 27.0 27.6 27.8 26.9 24.7 23.4 22.3 21.9 21.8 22.2 23.1 24.3 1950 25.7 26.9 27.0 26.4 24.5 23.2 22.2 21.5 21.8 23.2 24.3 25.7 1951 27.0 27.8 27.1 26.5 24.9 24.0 22.7 22.2 22.0 22.7 24.2 25.8 1952 26.9 28.2 27.7 26.4 25.4 24.0 23.0 22.1 22.0 22.4 23.8 25.7 1953 27.3 28.7 28.6 27.6 25.9 23.9 23.1 22.7 22.2 22.6 23.1 24.6 1954 26.1 27.5 27.1 26.9 24.8 23.1 21.7 20.9 20.7 21.5 23.5 25.8 1955 27.1 28.0 28.2 27.9 26.6 25.2 23.7 22.9 23.0 23.8 25.1 25.8 1956 27.2 27.5 27.7 27.2 25.1 24.0 22.9 22.2 22.0 22.4 24.0 25.1 1957 27.1 27.5 27.3 26.4 24.7 23.7 22.6 22.1 22.1 22.7 24.8 25.2 1958 26.4 26.8 27.1 26.6 25.1 24.0 22.9 22.3 22.2 22.9 24.3 25.9 1959 26.4 26.7 27.0 27.0 24.9 23.4 22.3 21.7 21.4 22.0 23.4 25.2 1960 26.6 27.9 27.3 26.7 25.9 24.5 23.3 22.5 21.9 22.7 24.4 25.2 1961 25.6 26.7 27.3 26.5 24.7 23.5 22.9 22.1 22.1 22.6 23.7 26.1 1962 27.0 28.1 27.9 26.7 25.1 23.8 22.7 22.0 21.9 22.3 22.9 23.8 1963 25.4 26.6 26.8 26.3 24.8 23.3 22.1 21.5 21.4 22.2 24.1 24.8 1964 26.7 27.8 27.1 25.8 25.1 23.8 22.4 21.7 21.6 22.2 23.1 24.6 1965 26.8 28.0 28.1 27.9 26.3 24.8 22.9 21.9 21.6 22.1 23.4 25.1 1966 26.3 27.3 27.0 27.1 25.9 23.9 22.7 22.3 22.4 22.7 24.0 24.9 1967 26.2 27.1 27.3 26.2 25.3 23.9 23.0 22.3 22.4 22.7 24.2 25.5 1968 26.5 27.3 26.7 25.2 24.4 23.1 21.9 21.4 21.5 22.3 23.6 25.3 1969 26.2 27.2 27.5 27.7 26.0 24.5 22.9 22.1 22.0 22.7 23.9 26.0 1970 27.3 27.4 26.8 26.6 25.4 24.0 23.4 22.8 22.7 22.9 23.6 24.5 1971 25.9 26.7 26.6 26.3 25.1 24.0 23.1 22.4 22.5 23.1 23.9 25.2 1972 26.3 27.1 27.5 27.4 26.2 24.6 23.4 22.8 23.0 23.1 24.0 25.2 1973 26.4 26.8 27.0 25.9 25.0 24.2 23.2 22.7 22.6 22.5 23.6 25.3 1974 26.2 26.7 26.6 25.8 24.2 23.1 22.5 22.4 22.4 23.1 24.0 25.1 1975 26.3 27.8 28.2 26.5 25.1 24.0 22.7 21.9 22.0 23.2 24.4 25.8 1976 27.3 27.9 28.2 27.5 25.7 24.1 23.1 22.7 22.8 23.4 24.6 25.1 1977 25.8 27.2 27.0 26.1 24.6 23.3 22.3 21.9 22.3 23.2 24.0 24.6 1978 26.3 27.7 27.5 27.2 25.5 24.5 23.4 22.6 22.6 23.1 23.7 24.5 1979 26.5 27.6 28.0 25.7 25.3 23.7 22.9 22.2 22.0 22.1 23.1 24.7 1980 26.2 27.5 27.0 26.8 26.0 24.4 23.5 22.9 22.5 22.8 23.6 25.0 1981 26.6 27.8 26.9 26.2 25.3 24.1 22.5 21.8 21.8 22.5 23.3 25.1 1982 26.2 27.3 27.6 26.3 25.1 24.0 23.1 22.8 22.6 23.0 24.0 25.7 1983 26.8 28.0 27.5 26.2 25.2 24.4 23.2 22.7 22.3 23.0 24.0 25.9 1984 27.2 27.5 27.6 26.6 24.9 23.4 22.5 21.9 22.0 22.2 23.2 24.3 1985 25.7 26.7 27.1 26.3 24.9 23.4 22.4 21.9 22.2 22.4 23.5 25.1 1986 26.3 26.9 27.0 26.8 25.5 24.4 23.5 22.7 22.4 22.8 23.4 24.8 1987 26.0 27.1 27.4 26.6 25.5 24.8 23.4 22.7 22.9 23.8 24.9 24.9 1988 26.5 26.6 27.0 26.5 25.6 24.5 23.1 22.5 22.4 23.0 24.0 25.3 1989 26.8 27.3 27.9 27.4 25.9 24.4 23.5 23.1 22.8 22.9 23.8 25.1 1990 26.2 27.5 28.0 27.1 25.8 24.3 23.3 22.4 22.7 23.0 23.8 25.4 4 141 6.00 198.00 1850 27.1 26.8 26.7 27.0 27.6 27.4 26.9 27.3 27.3 27.8 27.6 26.9 1851 27.2 27.3 27.5 27.5 26.9 26.9 27.0 27.1 27.0 27.4 27.3 26.9 1852 26.1 25.9 25.8 25.4 25.9 26.5 26.5 27.0 27.5 27.9 28.0 27.9 1853 27.5 26.7 27.0 27.3 27.2 27.3 27.2 27.3 27.7 28.2 27.9 27.6 1854 27.4 27.0 26.6 26.3 26.3 26.4 26.8 26.9 27.3 27.2 27.2 27.0 1855 26.9 26.4 26.1 26.0 25.9 26.5 27.1 27.1 27.3 27.5 27.9 27.9 1856 27.3 26.9 26.6 26.5 26.0 26.4 27.0 27.3 27.7 28.0 28.0 27.6 1857 26.9 26.7 26.7 26.7 26.9 26.9 27.1 27.2 27.6 27.8 27.4 27.0 1858 26.5 26.7 26.9 26.8 26.8 26.9 27.0 27.3 27.6 28.0 27.9 27.6 1859 27.1 26.7 27.1 26.9 26.4 26.5 26.4 27.0 27.4 27.6 28.0 27.7 1860 27.2 27.0 27.1 26.8 26.5 26.7 27.1 27.6 27.8 28.1 28.1 27.3 1861 26.7 26.8 26.9 26.8 26.5 26.5 26.7 27.2 27.2 27.5 27.5 27.3 1862 26.9 26.9 26.7 26.8 26.9 26.5 27.0 27.4 27.2 27.5 27.3 26.9 1863 26.5 26.2 26.2 26.7 27.1 26.9 26.7 27.3 27.5 27.9 27.3 27.0 1864 27.2 27.5 27.6 27.2 27.1 26.9 27.0 26.9 27.0 27.1 27.4 27.0 1865 26.5 25.7 25.0 25.6 26.2 26.6 26.6 26.7 27.4 27.6 27.3 27.1 1866 26.6 27.0 27.4 27.0 26.7 26.7 26.8 27.3 27.5 28.0 27.8 27.5 1867 27.2 26.6 26.9 26.2 26.2 26.7 26.8 27.1 27.5 28.0 28.0 27.4 1868 26.9 26.9 26.9 27.2 27.0 27.3 27.2 27.5 27.8 28.0 28.1 28.0 1869 27.5 27.2 26.9 27.3 27.1 26.9 26.8 27.7 28.0 28.4 28.1 27.5 1870 26.8 27.0 27.0 26.6 26.9 27.1 27.0 27.3 27.5 27.9 27.9 27.3 1871 26.6 26.6 26.6 26.4 26.3 26.1 26.7 26.7 27.0 27.4 27.4 26.7 1872 26.5 26.9 26.9 26.8 26.9 27.1 27.2 27.6 27.9 27.9 28.0 27.4 1873 27.0 26.6 26.1 26.1 26.3 26.1 26.5 26.8 27.4 28.0 27.5 26.8 1874 26.9 27.3 27.4 27.6 27.4 27.6 27.6 27.6 27.6 27.9 27.9 27.5 1875 27.3 26.9 26.7 27.2 27.0 26.4 26.4 26.8 27.0 27.6 27.2 26.7 1876 27.4 27.9 27.9 28.0 28.0 27.8 27.6 27.4 27.4 27.6 27.9 27.7 1877 26.8 26.0 25.8 25.9 26.3 26.6 26.9 26.9 26.9 26.8 26.7 26.5 1878 26.4 26.5 26.8 26.9 27.0 27.0 27.2 27.2 27.8 28.4 28.1 27.9 1879 27.5 27.0 26.8 26.6 26.2 26.5 26.9 27.2 27.5 27.7 27.8 27.3 1880 26.9 26.4 25.9 26.2 26.5 27.0 26.9 27.2 27.5 27.5 27.6 26.9 1881 26.5 26.6 26.9 27.1 27.2 27.4 27.4 27.5 27.4 27.6 27.5 27.2 1882 26.9 27.0 26.8 26.8 26.5 26.6 26.8 27.0 27.6 27.7 27.5 27.0 1883 27.2 27.1 27.4 27.6 27.7 27.6 27.3 27.3 27.1 27.1 27.3 27.0 1884 26.8 26.8 26.6 26.2 25.9 25.9 25.8 26.4 26.8 27.3 27.1 26.6 1885 26.5 26.6 26.8 26.7 27.0 27.0 27.0 27.1 27.1 27.2 27.4 27.1 1886 26.8 26.1 25.9 26.2 26.7 26.5 26.3 26.9 27.2 27.5 27.2 26.7 1887 26.5 26.7 26.8 26.9 27.2 27.0 26.9 27.1 27.2 27.5 27.7 27.3 1888 26.8 26.4 26.4 27.3 27.7 27.5 27.2 27.1 27.5 28.3 28.4 27.8 1889 27.2 27.1 27.6 27.6 27.0 27.1 26.9 27.1 27.6 27.9 27.7 27.3 1890 27.1 27.1 27.3 27.2 27.2 27.2 27.3 27.5 27.8 28.4 28.0 27.9 1891 28.1 27.7 28.0 28.0 27.4 27.1 26.8 27.4 27.2 27.7 27.0 27.0 1892 27.0 26.8 26.7 26.5 26.8 26.8 26.8 26.8 27.2 27.4 27.6 27.5 1893 26.7 26.2 26.0 26.4 26.0 25.8 26.5 27.1 27.3 27.1 27.0 26.5 1894 26.2 26.7 26.6 26.5 26.8 27.0 27.1 27.3 27.6 27.9 27.9 27.6 1895 27.1 26.6 26.0 26.3 26.8 26.9 27.0 26.8 27.0 27.5 27.3 26.7 1896 26.5 26.8 27.1 27.2 27.4 27.1 27.2 27.4 27.7 27.7 27.5 27.2 1897 27.0 26.9 26.6 26.5 26.4 26.4 26.5 27.0 26.9 27.3 27.1 26.8 1898 26.8 27.0 26.8 26.5 26.7 26.9 27.2 27.3 27.7 27.5 27.3 27.0 1899 26.5 26.4 26.6 26.8 27.0 27.2 27.3 27.7 27.7 27.8 27.9 27.3 1900 26.6 26.2 25.4 26.2 26.5 26.7 27.1 27.6 27.7 28.1 27.5 27.4 1901 26.9 26.9 27.0 27.2 27.3 27.0 27.4 28.1 27.9 28.0 27.9 27.6 1902 27.1 26.5 26.7 26.9 27.0 27.1 26.8 27.1 27.4 27.6 27.6 27.4 1903 26.9 26.4 26.6 26.7 26.5 26.5 26.6 27.3 27.3 27.4 27.6 27.2 1904 27.2 26.8 27.1 26.9 26.8 26.7 27.0 27.3 27.5 27.6 27.6 27.5 1905 27.3 27.3 27.0 26.7 27.0 27.1 27.3 27.6 27.7 28.1 27.8 26.9 1906 26.7 26.5 26.7 26.3 26.5 26.6 27.0 26.9 27.0 27.5 27.6 27.7 1907 27.2 26.4 26.0 26.0 26.1 26.5 26.7 27.0 27.4 27.4 27.4 27.2 1908 27.0 27.1 27.4 27.4 26.9 26.5 26.4 27.4 27.6 27.7 27.8 27.1 1909 26.7 26.2 26.2 26.0 26.1 26.4 26.9 27.3 27.6 27.9 28.0 27.8 1910 27.4 26.7 26.0 26.3 26.8 26.6 26.5 27.1 27.2 27.7 27.6 27.2 1911 26.9 27.4 27.8 27.8 27.4 27.0 26.9 26.8 26.9 27.1 27.3 27.1 1912 26.5 26.1 26.2 26.1 25.8 25.9 26.2 26.6 27.1 27.3 27.2 26.4 1913 26.1 26.4 26.9 27.1 27.5 27.4 27.4 27.4 27.7 27.7 27.3 26.6 1914 25.9 26.0 26.3 26.4 26.3 26.5 26.8 27.1 27.2 27.6 27.8 27.6 1915 26.8 26.9 27.0 26.8 26.6 27.0 27.2 26.9 27.1 27.5 27.9 27.5 1916 27.3 27.0 26.9 26.7 26.5 27.0 27.4 27.5 27.5 27.8 27.8 27.2 1917 27.0 27.1 27.4 27.4 27.8 27.7 27.7 27.6 28.0 28.4 28.2 27.8 1918 27.0 26.9 26.2 26.2 26.4 26.6 26.8 27.3 27.7 28.0 27.7 27.3 1919 27.1 27.1 26.9 26.8 26.5 25.9 26.2 27.1 27.6 28.1 27.5 26.9 1920 26.6 26.8 27.1 27.4 26.9 27.0 27.4 27.6 27.8 28.0 27.9 27.2 1921 26.9 26.7 26.5 26.8 26.5 26.5 27.0 27.3 27.3 27.5 27.6 27.2 1922 27.0 26.9 26.8 27.2 27.2 27.3 27.3 27.5 27.6 28.0 28.0 27.4 1923 27.4 27.0 27.3 27.2 27.1 27.0 27.0 27.8 28.1 28.1 27.9 27.6 1924 27.4 27.3 27.0 27.1 26.9 26.9 27.0 27.5 27.8 28.0 27.7 27.3 1925 26.6 26.6 27.0 26.9 26.6 26.7 27.0 27.3 27.6 28.0 28.0 27.2 1926 26.7 26.2 25.5 25.5 25.9 26.0 26.9 27.5 27.3 27.5 27.1 27.0 1927 27.1 27.2 27.1 26.7 26.8 26.9 27.1 27.2 27.5 28.0 28.0 27.6 1928 26.9 26.5 26.0 26.4 26.3 26.5 26.8 27.0 27.5 27.9 27.5 27.3 1929 27.4 27.5 27.3 27.6 27.5 27.6 27.8 28.0 28.0 28.1 28.1 27.6 1930 27.2 27.1 27.4 27.6 27.5 27.0 26.7 27.0 27.5 27.9 27.9 27.6 1931 27.3 27.8 28.1 28.1 28.3 28.0 28.0 28.0 28.2 28.3 27.9 27.6 1932 27.1 26.7 26.5 26.1 26.2 26.3 26.8 27.1 27.7 27.8 27.9 27.6 1933 27.3 27.1 27.4 27.8 27.2 26.8 26.8 27.1 27.6 27.8 27.8 27.4 1934 27.5 27.3 27.0 26.8 26.8 26.6 27.1 27.8 27.9 28.0 28.4 28.0 1935 27.5 27.2 27.3 27.4 27.7 27.7 27.3 27.5 27.9 28.4 27.9 27.6 1936 26.8 26.9 27.1 27.2 27.5 27.4 27.5 27.5 27.5 27.7 27.8 27.5 1937 26.9 26.6 26.9 26.6 26.5 26.8 26.9 26.8 27.1 27.4 27.6 27.7 1938 27.1 27.0 27.0 26.9 26.8 26.9 26.9 27.3 27.8 28.0 28.1 28.1 1939 27.2 26.5 26.7 27.2 26.7 26.5 27.2 27.2 28.1 28.3 27.5 27.3 1940 26.9 27.4 27.6 27.5 27.2 27.2 27.2 27.3 27.5 28.0 27.9 27.7 1941 27.3 26.8 26.2 26.5 26.6 26.9 27.0 27.7 27.9 28.1 27.9 27.7 1942 27.4 27.1 26.8 26.9 26.8 27.0 27.4 27.5 28.1 28.4 28.4 28.0 1943 27.5 27.2 27.3 27.4 27.5 26.9 27.0 26.9 27.4 28.0 27.3 27.2 1944 27.5 27.5 27.4 27.2 27.5 27.5 27.6 27.8 28.1 28.3 28.2 27.5 1945 27.0 26.8 26.6 26.4 26.1 26.6 26.9 27.0 27.2 27.2 27.5 27.2 1946 27.4 27.0 27.1 27.5 27.7 28.0 28.2 28.6 28.4 28.5 28.0 27.9 1947 27.9 27.6 27.2 26.9 26.9 26.8 26.8 27.4 27.9 28.0 28.1 28.1 1948 27.7 27.4 26.9 26.6 26.5 27.0 27.1 27.2 27.5 27.5 27.5 27.2 1949 27.4 27.3 27.5 27.7 27.0 27.1 27.5 27.9 28.0 28.1 28.4 28.2 1950 27.5 26.6 26.4 26.4 26.2 26.9 26.9 27.1 27.5 27.9 27.9 27.9 1951 27.2 27.4 27.5 27.1 26.9 26.7 27.4 27.8 28.0 28.6 28.4 28.3 1952 27.6 27.7 27.9 28.1 28.4 27.8 27.7 27.6 28.1 28.2 28.2 27.9 1953 27.6 27.4 27.3 27.4 27.7 27.7 27.9 28.1 28.3 28.4 28.1 27.5 1954 26.8 26.4 26.4 26.8 27.0 27.0 27.3 28.0 28.3 28.2 27.8 27.3 1955 27.7 28.3 28.3 28.2 28.7 28.1 27.9 28.1 28.0 28.0 28.0 27.5 1956 26.8 26.6 26.3 26.4 27.2 27.4 27.4 27.5 27.9 28.1 28.2 28.0 1957 27.7 27.5 27.8 27.8 27.1 27.6 27.7 28.0 28.4 28.5 28.5 27.7 1958 27.1 26.9 26.1 26.3 26.5 26.9 27.1 27.5 27.5 27.9 27.8 27.4 1959 26.4 26.0 25.8 26.3 26.8 27.1 26.7 27.0 28.2 27.9 27.8 27.1 1960 27.3 27.4 27.9 28.1 28.0 27.9 27.9 28.1 28.2 28.4 28.3 28.0 1961 27.3 26.6 26.0 26.1 26.6 26.7 27.0 27.3 27.8 28.1 28.3 27.9 1962 27.6 27.5 27.8 27.5 27.5 27.9 27.8 27.9 28.3 28.4 28.2 28.2 1963 28.0 27.8 27.8 27.9 27.7 27.4 27.2 27.8 28.0 28.4 28.3 28.3 1964 27.8 27.5 27.4 27.8 28.1 27.9 27.6 27.8 27.6 28.1 28.1 27.5 1965 27.1 27.1 27.3 27.3 27.5 27.7 27.6 27.9 28.1 28.4 28.2 28.1 1966 28.0 27.5 27.0 26.8 27.2 27.2 27.2 27.3 27.4 27.9 27.6 26.9 1967 27.0 27.3 27.5 27.6 27.9 28.2 28.0 28.0 28.0 28.1 28.1 27.6 1968 26.9 26.6 26.5 26.6 26.6 26.6 27.0 27.3 27.2 27.5 27.9 27.2 1969 26.8 27.2 27.4 27.6 28.0 27.6 27.5 27.9 28.3 28.3 28.1 27.5 1970 27.0 27.3 27.7 27.2 27.1 27.2 27.6 28.0 28.1 28.5 28.4 28.0 1971 27.7 27.4 26.9 26.4 27.1 27.2 27.3 27.4 27.9 27.9 27.6 27.3 1972 27.1 27.1 27.1 27.0 26.9 27.2 27.3 27.4 27.4 28.0 28.5 27.8 1973 27.7 27.7 27.5 27.3 26.7 26.6 26.9 27.5 27.9 28.2 28.0 27.9 1974 27.2 26.5 26.7 26.5 27.0 27.3 28.0 28.1 28.0 28.3 28.3 27.8 1975 27.4 27.8 28.1 27.6 27.8 27.5 27.9 27.6 27.7 27.8 28.0 27.5 1976 27.4 27.7 27.6 27.6 27.6 27.3 27.4 27.7 27.9 28.1 28.2 28.0 1977 27.6 27.4 27.1 27.2 27.3 27.4 27.5 28.0 27.9 28.2 28.1 27.5 1978 27.7 28.0 28.1 27.8 27.8 27.6 27.6 27.7 28.0 28.2 28.2 27.8 1979 27.2 26.8 26.6 26.5 26.8 26.7 26.8 27.5 27.9 28.0 27.9 27.3 1980 27.0 27.2 27.4 27.6 27.7 27.8 28.1 28.3 28.6 28.8 28.7 28.0 1981 27.8 27.4 27.2 27.3 27.3 27.1 27.1 27.7 27.6 27.7 27.8 27.5 1982 26.9 27.4 27.9 27.6 27.3 27.9 28.0 28.0 28.3 28.6 28.6 28.3 1983 27.8 27.5 27.0 27.1 26.7 27.0 27.1 27.2 27.6 27.8 28.0 27.6 1984 27.3 27.6 27.8 27.2 27.0 27.2 27.4 27.6 27.8 28.0 28.1 28.3 1985 27.4 27.1 26.8 26.8 27.1 27.3 27.4 27.6 27.9 28.1 28.3 28.1 1986 27.6 27.3 27.3 27.8 27.6 27.0 27.2 27.8 27.9 28.2 27.8 27.6 1987 27.2 27.0 26.8 27.3 28.1 28.2 28.0 27.9 27.9 28.0 28.1 27.9 1988 27.2 26.7 26.9 27.6 28.1 27.7 27.0 27.6 28.1 28.3 27.7 27.4 1989 27.6 28.1 28.6 28.5 28.1 27.8 28.1 28.1 28.1 28.3 28.4 28.1 1990 27.5 26.8 26.4 26.5 27.2 26.9 27.3 27.4 27.4 28.4 28.3 27.5 5 141 -0.40 268.77 1850 22.3 25.1 26.8 26.8 25.8 24.8 26.1 25.4 25.2 24.8 26.9 26.9 1851 27.5 27.5 25.8 25.5 25.5 22.8 22.9 20.8 20.4 20.7 22.4 23.9 1852 23.4 25.4 27.0 27.2 25.8 24.4 24.4 24.1 22.3 22.4 22.7 22.9 1853 25.1 27.3 27.0 27.2 26.7 24.7 22.9 21.9 20.9 20.7 24.4 23.5 1854 25.2 25.1 26.3 25.5 23.2 23.5 23.9 23.3 21.4 22.1 22.0 23.0 1855 23.4 24.5 26.5 27.1 25.0 24.3 24.6 23.4 21.6 22.3 22.8 23.9 1856 24.8 24.9 25.9 27.1 24.5 23.8 23.2 20.1 19.8 20.5 21.2 21.3 1857 24.5 25.4 26.3 26.2 24.1 23.4 22.8 21.7 21.9 21.9 21.9 22.0 1858 24.5 26.7 27.6 25.7 26.1 24.3 23.8 21.4 20.0 20.7 22.6 24.0 1859 25.6 27.3 28.2 27.1 25.1 23.4 25.0 23.3 22.3 22.8 23.5 24.3 1860 25.1 25.9 26.6 26.3 25.0 24.9 24.5 22.6 21.5 22.1 22.5 23.1 1861 24.3 26.2 27.2 27.0 26.5 25.1 24.8 23.6 21.5 22.7 23.1 23.9 1862 24.0 24.5 24.6 23.6 23.2 20.6 21.1 22.6 22.5 21.6 22.3 22.5 1863 24.7 25.9 26.6 26.3 24.7 23.4 24.5 25.4 26.2 26.5 26.7 27.4 1864 27.5 26.9 26.7 27.0 26.1 24.4 23.1 22.7 21.9 21.1 22.3 22.7 1865 23.0 22.3 26.3 26.5 24.8 22.8 23.8 23.8 22.0 23.5 23.9 24.7 1866 25.4 27.6 27.6 27.0 24.3 23.9 22.9 23.5 19.5 22.0 22.0 22.3 1867 22.3 23.2 24.8 26.1 25.9 25.6 25.1 24.3 23.7 23.8 24.8 24.9 1868 26.5 27.2 26.7 26.8 25.2 23.6 24.0 22.0 22.1 22.0 22.8 24.1 1869 25.5 25.9 26.2 28.1 26.4 25.6 24.5 24.6 22.8 23.1 24.0 24.6 1870 24.5 25.6 25.5 24.7 23.6 22.1 21.1 20.9 20.3 23.0 22.9 24.0 1871 24.9 25.2 25.6 25.1 24.9 23.7 24.7 24.9 23.1 23.3 24.8 24.5 1872 24.6 25.7 26.9 24.8 24.5 23.7 22.6 21.8 22.0 20.9 22.4 23.6 1873 24.4 25.9 26.6 26.2 22.9 23.9 24.3 24.9 23.3 24.7 25.5 26.2 1874 26.5 25.7 26.4 27.3 23.9 22.4 20.4 18.8 19.2 20.8 21.6 23.1 1875 23.6 25.1 26.2 26.6 25.7 26.3 25.8 26.0 25.1 24.8 25.7 25.6 1876 25.3 25.5 25.3 23.7 22.8 21.5 20.9 19.1 18.3 19.5 20.7 22.9 1877 25.0 26.0 26.2 27.2 26.4 24.9 24.9 24.5 23.3 23.2 24.1 23.8 1878 24.8 26.4 26.6 27.9 24.4 22.5 22.4 21.5 20.8 21.7 23.0 23.2 1879 25.7 26.8 27.1 27.2 26.4 24.6 24.1 22.9 22.8 22.0 22.2 21.7 1880 21.1 21.7 22.7 25.7 24.2 25.1 24.6 24.0 23.1 23.4 24.5 25.0 1881 25.9 26.4 26.6 26.2 24.9 23.4 22.4 20.8 18.9 20.1 21.6 22.3 1882 24.1 26.1 26.9 26.4 24.8 23.3 23.2 24.2 24.5 24.4 25.9 26.4 1883 26.6 26.5 26.1 26.6 24.8 22.0 22.6 21.4 19.5 21.2 21.5 21.8 1884 22.3 24.6 25.2 26.2 24.4 25.2 25.8 25.4 25.8 25.3 25.7 26.9 1885 26.9 26.4 25.8 25.5 23.5 22.2 23.5 20.9 18.5 21.1 23.1 23.1 1886 23.0 23.6 26.5 25.9 25.2 24.8 24.6 24.2 22.1 23.1 23.0 24.1 1887 25.9 27.1 28.7 27.4 24.8 24.8 24.2 22.9 22.6 20.7 22.3 23.1 1888 23.0 24.7 26.7 26.8 24.7 22.8 24.1 23.5 21.4 23.1 22.7 23.5 1889 25.4 25.8 27.3 28.1 25.9 25.5 25.6 25.4 23.8 23.3 24.4 24.8 1890 24.8 26.9 27.1 25.8 24.7 24.1 23.6 25.2 23.2 24.2 23.6 25.4 1891 27.1 27.1 28.1 27.3 24.8 25.1 26.4 26.0 23.7 23.5 24.5 24.9 1892 23.8 22.8 23.5 23.3 21.4 20.2 19.9 18.7 18.1 19.2 21.0 23.7 1893 25.3 25.8 27.1 26.2 23.7 25.3 25.7 25.6 23.8 24.3 24.8 25.6 1894 23.2 25.7 25.6 26.7 24.1 21.6 21.8 20.2 18.3 21.1 21.9 21.4 1895 21.5 24.8 26.1 27.0 26.1 24.9 24.4 23.8 22.4 23.5 23.6 25.4 1896 25.5 25.9 25.7 28.1 24.4 22.5 21.1 20.0 18.8 20.1 21.5 22.1 1897 22.4 23.5 25.1 25.4 22.9 24.5 25.0 24.0 23.0 23.0 24.2 24.5 1898 24.4 24.5 25.2 24.9 22.8 24.0 24.0 22.6 24.1 23.5 23.8 23.6 1899 25.7 26.0 25.2 22.4 22.2 22.4 21.2 21.7 21.2 21.5 21.9 22.9 1900 22.6 22.5 23.7 26.0 22.9 21.1 22.4 22.7 21.8 23.2 23.3 24.3 1901 24.5 26.1 25.9 24.0 22.5 22.1 23.1 21.3 19.7 21.9 23.3 23.7 1902 24.2 24.8 25.5 25.8 24.4 24.4 21.3 21.2 21.9 22.7 24.0 24.9 1903 24.4 24.4 26.7 26.2 25.0 22.3 22.5 20.9 19.3 22.9 24.0 24.2 1904 23.8 24.8 24.4 23.5 23.3 22.5 22.2 22.9 22.2 22.7 23.2 24.5 1905 26.3 26.3 25.2 23.5 23.1 22.0 22.7 22.9 21.9 21.5 22.9 23.8 1906 25.5 25.9 26.1 25.0 24.4 23.5 22.5 21.9 20.4 21.7 22.8 23.2 1907 23.8 24.4 25.2 27.5 24.3 23.6 23.6 23.0 21.8 22.1 23.2 24.1 1908 24.0 23.2 24.9 25.5 22.6 23.3 24.7 23.8 20.6 22.1 23.4 22.9 1909 23.5 24.6 25.0 23.9 22.2 22.3 19.9 19.5 20.0 21.5 22.4 24.1 1910 24.3 26.5 27.2 27.6 25.3 23.5 25.3 25.4 23.2 23.9 25.0 26.0 1911 26.4 27.3 26.6 26.4 25.7 23.5 22.2 22.0 21.2 21.2 21.9 24.2 1912 24.0 26.9 27.1 26.0 25.9 25.2 24.2 24.6 23.7 23.5 24.1 24.0 1913 25.5 26.5 27.2 28.5 26.4 23.8 22.0 19.7 19.2 21.3 22.6 23.1 1914 25.5 25.1 24.9 25.5 24.1 23.1 24.1 23.0 20.9 22.1 24.3 24.4 1915 24.1 26.6 28.0 27.0 26.3 25.4 24.5 22.9 21.8 22.9 24.2 22.5 1916 23.2 24.8 25.1 26.3 24.2 23.9 25.2 23.7 23.1 22.2 24.0 24.8 1917 26.6 26.9 26.7 26.9 26.7 25.5 23.6 22.0 20.7 22.0 23.4 23.2 1918 22.7 25.6 26.8 25.9 25.4 23.9 24.3 23.2 22.0 22.7 23.4 24.0 1919 24.5 24.6 27.3 26.0 24.5 24.4 24.5 24.0 23.4 22.4 24.0 24.6 1920 25.3 26.3 28.1 26.8 23.8 23.6 22.5 20.6 19.1 21.8 23.6 23.4 1921 25.2 25.9 26.3 27.5 25.2 25.3 24.4 22.7 21.0 21.9 22.2 22.8 1922 24.6 26.9 26.0 26.1 24.8 24.2 23.9 23.6 22.1 21.2 22.6 22.9 1923 23.9 23.7 25.6 26.8 24.7 24.8 23.9 22.9 21.5 22.1 22.9 23.6 1924 23.8 22.8 22.8 23.9 22.0 22.2 23.8 23.0 22.5 22.8 24.4 26.5 1925 26.3 26.9 26.8 25.6 22.3 23.0 24.0 23.2 21.3 21.2 21.9 23.9 1926 24.1 23.4 26.7 26.6 25.4 23.6 24.8 23.8 23.3 23.1 22.8 24.2 1927 25.0 24.2 24.7 23.6 23.3 21.8 19.6 19.9 20.2 21.8 22.4 22.3 1928 21.5 24.8 26.1 26.6 24.9 24.6 24.8 24.8 24.2 25.9 26.4 26.6 1929 26.1 26.7 26.4 25.5 25.1 23.7 22.4 21.8 21.1 23.6 23.1 22.7 1930 22.5 22.0 25.7 27.4 26.1 25.9 26.2 25.3 25.8 24.5 26.1 26.6 1931 25.8 25.4 25.3 26.4 23.4 22.6 22.0 20.3 20.2 21.2 23.2 21.9 1932 23.7 25.7 27.5 27.6 26.1 24.6 24.3 23.0 23.7 22.9 23.7 24.6 1933 25.0 24.8 23.7 24.1 23.8 22.9 23.8 24.2 24.0 23.0 24.5 24.0 1934 25.1 26.7 26.5 26.4 23.1 22.5 21.9 24.0 23.1 22.1 22.2 24.0 1935 23.2 25.6 27.9 27.4 25.6 25.3 23.9 24.2 22.5 23.8 24.9 25.5 1936 25.6 26.5 26.6 28.1 24.7 23.1 22.4 23.1 21.6 21.4 23.0 24.1 1937 24.7 25.2 27.2 27.1 25.1 24.3 24.8 25.1 23.7 23.4 23.2 24.3 1938 23.4 25.7 24.8 27.1 25.0 23.2 22.3 22.3 22.9 23.4 23.9 23.5 1939 23.0 25.6 27.2 26.8 24.5 25.5 25.3 24.3 23.6 24.8 26.8 26.8 1940 25.6 25.4 25.7 27.4 24.8 22.8 21.5 19.9 18.9 21.7 22.8 24.0 1941 23.4 23.4 27.6 26.9 26.1 26.4 25.2 24.4 24.4 23.5 23.8 24.3 1942 23.6 23.0 24.5 23.7 22.5 22.0 21.4 20.4 19.9 22.0 22.0 24.1 1943 25.8 25.8 27.9 28.1 25.5 25.4 26.7 25.7 26.4 24.4 27.0 26.6 1944 26.8 26.0 26.8 27.6 25.0 23.6 23.2 21.0 20.4 22.4 23.0 23.2 1945 22.5 23.3 27.5 26.9 25.4 25.0 25.5 25.5 23.7 24.4 25.1 25.0 1946 23.9 23.5 23.0 23.3 23.0 21.6 22.7 21.9 22.4 22.9 23.4 24.5 1947 24.7 25.5 22.8 24.2 22.2 21.8 22.2 22.5 22.3 23.3 23.6 23.8 1948 24.6 25.6 26.9 26.6 25.2 25.7 26.0 24.5 22.8 23.9 24.9 24.8 1949 26.3 26.6 28.6 25.8 24.6 23.4 22.6 23.2 22.8 22.2 23.4 22.9 1950 24.0 25.3 27.0 27.4 25.4 25.4 25.2 24.4 22.2 23.0 24.4 24.1 1951 22.3 24.5 24.7 23.9 23.0 24.1 25.0 23.8 23.3 21.6 23.4 25.0 1952 25.5 26.4 26.8 28.4 24.4 23.0 21.5 21.3 21.4 23.5 24.3 24.9 1953 26.7 26.8 27.4 26.7 25.2 23.6 23.2 21.6 21.8 21.8 23.5 23.5 1954 24.1 26.8 26.8 28.1 26.3 25.2 25.7 25.0 25.0 24.6 25.6 26.5 1955 27.9 28.6 28.5 28.4 27.5 26.1 24.2 22.8 22.2 21.4 23.2 23.0 1956 22.6 24.4 27.2 26.8 26.7 25.0 23.9 24.0 23.0 24.1 24.2 24.2 1957 24.8 25.4 23.4 22.9 23.0 22.0 22.6 23.2 21.7 22.5 22.9 22.3 1958 23.0 26.3 27.0 27.1 27.4 25.5 24.1 22.6 22.2 22.5 23.4 23.4 1959 23.5 25.6 27.4 27.6 27.3 25.6 25.7 25.6 24.2 23.7 25.7 26.4 1960 27.0 26.5 27.0 28.3 26.0 23.5 22.7 20.3 22.0 23.2 23.6 23.4 1961 24.2 26.4 28.4 26.4 26.8 25.8 25.4 24.0 24.8 23.2 23.2 24.2 1962 24.0 25.4 27.5 28.2 27.7 24.7 25.1 24.4 22.5 22.0 22.6 24.1 1963 24.5 25.8 27.1 26.7 25.3 24.3 24.9 24.9 24.5 22.7 22.6 23.5 1964 25.4 25.7 26.9 27.2 24.4 23.3 24.6 24.9 24.1 23.3 23.0 23.5 1965 23.8 24.2 26.0 23.3 21.5 20.4 20.8 18.8 17.4 20.5 23.2 23.7 1966 24.4 26.5 27.1 28.2 26.5 25.0 25.2 25.3 23.6 23.3 25.0 25.4 1967 25.3 27.4 28.2 26.7 25.1 23.2 21.6 20.9 20.1 20.6 22.2 22.5 1968 24.0 25.1 28.1 26.8 26.3 26.1 26.3 25.1 24.6 23.5 24.5 25.2 1969 25.2 25.0 25.3 25.3 24.3 23.3 23.6 23.1 24.3 23.3 23.5 27.1 1970 27.1 27.3 27.5 26.2 24.3 24.9 24.6 23.8 23.4 23.7 24.0 24.3 1971 23.9 25.6 28.3 27.9 25.6 25.6 24.2 24.3 22.6 22.3 22.8 24.7 1972 25.4 26.4 27.8 26.1 25.0 24.6 24.8 24.7 22.2 22.9 22.5 24.0 1973 24.0 27.0 28.0 28.0 25.6 25.3 24.2 22.0 21.8 23.0 23.1 23.6 1974 24.0 23.0 24.5 28.0 26.5 26.3 26.2 25.6 24.0 22.8 24.0 25.1 1975 25.8 27.2 28.2 27.8 27.4 25.4 26.1 24.3 23.7 25.0 25.3 25.3 1976 24.4 25.0 25.8 24.7 22.1 20.6 19.7 20.4 20.2 21.3 22.7 23.5 1977 24.8 27.0 27.7 27.2 25.9 25.4 26.0 24.9 24.2 23.6 24.2 26.9 1978 27.2 27.4 26.7 27.7 25.3 25.0 22.9 22.0 19.6 22.4 22.1 22.4 1979 23.0 23.9 26.9 27.2 23.9 23.5 24.6 22.9 22.3 21.7 23.0 24.1 1980 25.1 27.3 27.8 27.5 24.0 23.8 22.8 21.6 19.2 21.2 23.0 24.0 1981 24.6 27.8 27.3 27.2 26.0 25.3 25.2 24.3 23.6 23.4 24.9 26.6 1982 27.0 26.8 27.8 26.4 25.7 24.7 24.1 23.2 20.7 21.8 22.5 24.3 1983 24.3 25.0 28.9 27.8 25.8 25.4 23.8 22.8 21.9 21.5 24.4 22.8 1984 23.6 26.4 27.0 25.8 25.5 25.7 23.7 23.0 20.5 23.0 23.3 24.9 1985 25.9 26.3 27.9 27.2 25.8 24.8 23.1 22.0 21.1 21.1 23.0 24.1 1986 24.0 25.4 26.8 27.6 27.0 24.4 25.5 24.8 26.1 24.8 24.9 24.5 1987 23.5 23.4 26.2 26.6 24.4 21.4 20.3 20.6 21.0 20.8 21.6 22.8 1988 24.5 26.5 26.6 27.2 25.1 24.7 25.9 25.1 25.1 25.5 27.4 26.9 1989 26.3 26.4 26.0 26.4 23.8 23.5 21.4 21.7 22.4 22.9 23.8 23.4 1990 22.5 23.0 26.3 27.3 25.3 25.8 25.6 24.6 23.5 23.8 25.5 25.1 6 141 7.98 277.95 1850 26.0 26.6 27.6 30.0 28.7 28.7 28.4 28.1 28.2 27.3 27.8 28.5 1851 29.5 28.3 28.9 27.1 25.9 26.1 26.3 25.4 25.5 25.8 25.5 25.9 1852 26.4 26.2 27.1 26.9 27.5 27.1 27.0 27.4 26.8 26.1 26.2 26.7 1853 27.4 28.7 29.9 27.6 27.5 27.6 27.3 26.2 26.9 26.9 26.7 27.1 1854 27.6 28.0 28.1 28.2 27.5 26.9 28.1 27.4 26.5 26.4 25.6 26.1 1855 26.7 25.8 26.7 26.9 27.4 27.4 27.2 26.9 26.8 26.0 25.7 26.3 1856 27.2 27.5 29.5 27.7 28.2 27.0 27.3 26.9 25.9 25.6 26.3 26.8 1857 27.3 26.8 27.6 26.4 27.0 27.0 26.5 27.4 27.4 26.7 25.9 26.8 1858 27.1 28.2 28.7 28.8 27.2 27.6 27.5 27.6 27.1 26.7 27.1 27.8 1859 27.5 28.4 29.1 28.6 28.1 27.1 27.2 27.4 27.5 26.7 26.1 26.6 1860 26.5 29.3 29.4 27.9 28.5 27.3 27.1 27.7 27.0 26.6 26.0 26.7 1861 26.8 26.5 28.7 28.0 27.0 27.9 28.0 27.4 27.4 26.4 25.8 26.5 1862 27.3 27.0 27.2 26.6 26.2 26.8 28.2 27.0 26.0 26.2 26.1 26.5 1863 26.4 26.1 27.9 26.2 26.5 27.4 28.5 28.1 27.7 27.7 27.3 28.3 1864 29.7 29.3 28.8 27.4 26.8 27.0 26.4 26.2 26.5 25.6 25.3 24.4 1865 25.0 26.0 25.8 26.8 28.8 27.9 28.0 27.9 26.8 26.7 26.3 27.7 1866 27.3 28.2 27.6 28.1 27.5 27.3 27.5 26.9 26.0 25.4 25.1 25.9 1867 26.7 26.7 27.0 28.0 30.6 28.9 28.4 27.3 26.3 26.1 27.0 27.5 1868 27.8 27.7 28.9 27.4 27.3 27.5 26.8 26.3 26.8 26.3 26.4 26.7 1869 27.9 28.4 28.7 28.2 27.5 27.5 28.2 27.9 26.4 26.7 26.6 27.7 1870 26.9 27.7 27.4 27.1 27.1 27.1 27.0 26.8 26.5 26.1 25.8 26.3 1871 27.7 28.6 27.9 27.4 26.5 27.3 27.4 27.5 26.9 26.9 26.8 27.1 1872 27.4 27.6 28.0 27.9 26.7 26.2 26.1 26.2 26.4 25.0 24.8 25.2 1873 25.7 26.2 28.1 27.0 26.8 27.3 27.6 27.4 26.8 26.0 26.3 27.3 1874 27.8 28.0 29.1 27.2 27.5 27.8 26.4 25.0 25.6 25.5 25.4 26.2 1875 25.9 26.0 27.8 27.9 27.7 28.4 28.1 28.3 27.5 27.4 27.2 28.2 1876 28.1 27.1 27.8 27.3 26.9 27.3 26.0 25.5 26.0 26.7 26.0 25.7 1877 26.4 26.8 29.4 27.8 27.4 27.1 27.4 27.1 26.0 25.5 25.9 27.9 1878 27.5 27.2 28.2 27.5 27.0 26.7 26.2 27.1 28.2 26.5 25.6 26.5 1879 27.1 28.6 29.7 27.6 27.5 27.2 27.3 27.0 26.9 26.0 25.1 25.8 1880 26.5 25.7 26.3 26.6 28.3 28.4 28.2 27.8 26.7 26.2 26.5 27.5 1881 28.2 28.1 28.3 27.7 26.9 26.7 26.8 26.1 25.9 25.7 25.6 26.6 1882 27.0 27.8 28.2 26.4 27.1 27.4 27.7 28.1 27.5 27.2 27.5 29.3 1883 29.5 28.7 27.6 26.9 26.4 26.3 26.2 26.3 26.5 26.2 25.5 25.7 1884 25.4 25.5 26.1 28.5 28.7 27.2 27.2 27.5 27.0 26.8 26.8 28.2 1885 28.9 29.0 27.6 25.9 25.6 26.3 25.8 25.4 26.1 25.0 24.7 25.5 1886 25.2 26.5 26.6 26.5 26.6 26.9 27.0 26.8 26.1 26.0 25.8 26.2 1887 28.8 28.6 27.3 29.2 27.9 27.5 27.2 27.1 26.8 26.2 25.5 26.1 1888 26.3 27.5 26.6 27.1 27.1 27.6 27.9 27.6 27.4 26.4 25.8 26.7 1889 27.4 27.2 27.8 27.1 27.9 27.4 27.2 28.1 28.1 26.8 26.1 27.0 1890 27.7 28.0 27.7 27.7 27.3 27.2 27.4 28.4 27.4 26.0 26.3 27.0 1891 27.6 28.9 28.4 27.8 28.4 28.3 28.9 28.5 28.6 28.0 27.5 28.0 1892 27.6 27.0 27.0 26.4 26.3 25.5 25.0 25.1 25.9 26.2 25.1 25.5 1893 26.5 27.5 28.7 27.4 27.4 27.5 27.8 27.5 27.0 26.3 26.6 28.8 1894 26.9 27.6 25.8 26.4 26.4 26.0 26.1 26.1 26.0 25.4 25.1 25.4 1895 25.2 25.9 28.3 28.2 28.1 28.2 27.6 27.3 27.2 27.1 26.4 27.7 1896 27.7 29.0 29.0 26.9 26.4 26.6 26.9 25.7 26.0 25.4 24.9 25.1 1897 26.0 26.6 26.5 28.2 27.6 27.1 27.7 27.9 27.1 26.4 26.3 27.0 1898 27.3 26.8 27.4 27.3 27.5 28.0 29.1 27.3 26.4 26.0 25.9 27.3 1899 27.3 29.1 28.0 26.8 27.3 27.2 26.9 27.1 26.0 25.6 24.9 25.5 1900 26.2 26.7 26.7 26.3 28.2 29.0 29.2 27.8 26.8 26.3 26.0 27.3 1901 28.3 28.4 27.9 28.2 26.8 26.7 26.9 27.0 27.9 26.4 25.7 26.8 1902 27.6 28.3 27.7 27.0 27.8 27.2 28.4 27.8 27.2 25.8 25.7 27.1 1903 27.4 29.2 27.9 27.2 27.7 26.9 26.5 26.4 26.3 26.2 26.1 26.9 1904 26.5 27.0 28.2 27.1 27.3 26.8 28.3 27.8 27.2 26.3 26.4 26.8 1905 27.4 27.4 27.4 26.6 26.4 26.8 27.8 28.5 27.0 26.8 26.7 27.9 1906 28.7 28.5 27.6 27.5 27.4 27.2 26.5 27.3 26.0 24.9 25.1 25.9 1907 26.3 25.8 26.0 28.3 27.5 26.6 27.1 26.7 26.7 26.2 26.0 26.1 1908 26.7 26.2 26.8 26.8 28.3 27.5 28.3 27.8 27.1 26.5 26.4 27.0 1909 27.0 26.0 27.0 27.5 28.3 27.7 26.5 27.0 28.3 26.3 25.4 26.8 1910 27.4 27.5 27.4 28.0 28.6 27.6 28.1 28.7 28.2 27.3 27.4 28.2 1911 29.0 28.2 29.0 27.3 26.7 26.9 26.6 26.5 25.9 25.3 25.2 26.1 1912 26.5 26.1 27.4 28.9 27.6 28.2 27.5 27.5 26.9 26.9 26.2 27.8 1913 27.5 27.9 29.3 27.2 26.7 27.1 27.0 26.7 26.2 25.5 25.2 26.5 1914 26.5 26.0 28.4 26.0 26.8 27.4 27.6 27.6 27.1 26.3 25.7 26.9 1915 27.4 29.1 28.6 29.0 28.4 28.1 27.1 27.1 26.3 25.8 26.0 27.0 1916 26.7 26.9 27.0 27.7 27.1 28.0 28.3 28.0 27.3 26.8 27.2 27.5 1917 29.1 28.6 30.0 28.8 28.3 28.8 28.2 27.1 26.1 25.6 26.3 27.3 1918 27.3 27.5 28.1 27.9 26.9 26.8 26.8 27.4 26.9 25.9 26.2 25.9 1919 26.6 26.9 26.5 28.6 27.8 28.1 28.0 28.0 27.6 26.4 26.4 27.7 1920 27.3 28.5 27.8 27.4 27.2 27.2 27.5 27.1 26.0 26.2 26.7 27.2 1921 27.3 27.7 27.9 27.5 27.4 27.4 27.4 27.6 26.2 26.6 26.2 27.3 1922 27.7 27.4 28.1 27.6 27.4 27.4 28.7 28.0 27.3 26.5 25.5 25.9 1923 26.8 28.0 27.2 27.2 28.0 27.1 27.9 27.3 27.1 26.5 25.5 26.7 1924 27.5 27.2 26.2 26.3 28.3 27.6 28.9 27.8 26.7 26.3 26.3 27.7 1925 28.0 29.7 28.3 28.3 26.9 26.5 27.0 27.1 26.2 25.1 24.8 25.2 1926 26.6 26.3 26.2 27.9 27.5 27.8 28.0 27.8 26.9 26.1 26.8 26.7 1927 27.1 28.3 27.9 26.9 26.7 25.6 26.8 27.4 26.7 25.5 24.9 25.9 1928 26.2 26.2 28.1 28.7 27.9 28.2 28.2 28.0 27.1 27.1 27.1 28.4 1929 28.8 27.9 29.0 26.8 27.5 27.8 27.3 26.9 26.9 26.3 26.0 26.5 1930 27.2 26.4 25.7 27.1 29.5 28.8 28.4 28.4 27.5 26.8 26.9 28.6 1931 28.6 28.6 26.2 25.3 26.5 27.5 26.7 25.8 26.9 25.7 25.5 26.5 1932 26.4 27.4 28.7 27.6 27.9 28.1 27.2 26.5 27.0 27.0 25.7 26.9 1933 27.8 28.1 27.5 27.8 28.5 28.7 27.9 27.9 27.3 26.3 26.4 26.9 1934 27.5 26.4 29.2 27.8 27.1 26.7 28.2 27.5 27.1 26.0 26.1 26.8 1935 27.5 27.9 28.3 28.5 27.4 27.8 28.5 27.9 27.1 26.4 26.7 27.4 1936 28.5 28.1 27.3 27.0 26.8 26.0 26.4 26.3 25.9 25.8 25.5 25.5 1937 26.1 26.7 28.0 29.3 27.9 27.9 27.1 27.7 28.3 26.9 26.3 27.1 1938 26.3 27.7 26.3 27.2 27.0 28.4 27.5 27.4 27.0 25.8 25.6 25.7 1939 26.3 28.0 28.4 28.4 29.0 28.4 28.6 28.1 27.6 27.2 27.7 28.9 1940 28.4 28.2 27.7 26.2 26.1 27.3 26.7 26.8 26.6 25.7 25.2 26.1 1941 26.5 26.8 26.0 28.2 29.1 28.5 28.5 27.3 27.0 26.0 26.6 27.1 1942 27.6 26.0 27.9 26.7 26.2 27.9 26.5 27.3 27.2 26.8 25.5 25.6 1943 27.0 27.4 27.7 27.3 29.7 29.1 29.1 28.2 28.6 27.3 27.9 29.7 1944 29.8 28.5 27.5 27.4 27.4 27.1 27.5 26.3 25.5 25.2 25.0 26.2 1945 26.3 26.2 27.8 28.6 29.0 28.0 27.5 27.7 27.8 26.7 26.5 26.6 1946 26.9 27.0 27.2 26.5 26.7 27.9 29.8 27.8 27.3 27.1 26.9 27.6 1947 26.5 28.9 27.5 27.8 27.3 26.6 27.7 28.1 27.0 26.0 26.2 27.1 1948 27.1 27.6 27.9 28.7 29.0 28.8 28.5 27.8 27.4 26.6 27.1 27.9 1949 27.8 29.0 28.6 28.6 27.7 27.9 27.0 27.2 26.9 26.6 26.1 26.5 1950 27.1 26.0 26.4 27.6 27.3 27.4 27.5 27.5 27.0 26.3 26.2 26.4 1951 26.7 26.0 26.9 27.4 27.5 28.9 28.8 27.9 28.0 26.8 27.6 28.0 1952 29.0 28.3 28.1 27.1 27.7 27.5 28.8 29.0 27.4 26.6 26.8 27.2 1953 28.5 29.0 28.8 28.2 27.1 27.1 27.3 26.8 25.7 25.7 25.3 26.5 1954 26.5 26.9 27.0 28.1 28.1 28.3 28.2 27.8 27.6 27.0 27.6 28.8 1955 29.6 28.9 28.8 29.0 27.6 27.0 27.4 26.8 26.2 25.8 25.9 26.5 1956 26.6 26.3 27.0 28.7 27.4 27.8 28.0 27.7 27.0 26.8 26.4 27.2 1957 27.3 27.3 27.2 25.8 26.6 26.6 27.5 28.0 27.3 25.9 25.9 26.1 1958 26.8 27.2 27.7 29.2 28.0 28.8 27.7 26.4 25.6 25.6 25.9 26.5 1959 26.8 26.8 28.1 28.9 28.6 28.6 28.8 28.7 27.8 26.5 26.9 28.1 1960 28.9 28.6 27.1 27.4 27.9 27.2 26.8 26.0 26.6 26.0 26.0 26.5 1961 27.3 26.8 28.2 29.6 28.2 29.0 28.3 28.0 27.6 27.6 27.3 27.6 1962 27.4 28.9 27.8 28.0 29.1 28.5 28.2 27.9 27.7 26.7 27.0 26.6 1963 28.2 29.0 28.4 28.0 27.4 29.8 28.7 28.6 28.0 26.6 26.4 27.5 1964 27.5 28.4 28.4 27.5 28.4 28.1 28.7 28.1 27.7 27.1 26.7 27.0 1965 28.9 27.6 27.5 27.8 26.4 26.0 27.0 26.2 27.6 26.8 26.4 26.0 1966 26.6 26.9 27.4 27.8 27.2 28.0 28.4 28.4 28.1 27.2 27.0 28.4 1967 28.7 26.5 28.3 28.0 28.2 28.0 27.0 26.3 26.1 25.8 25.2 25.8 1968 26.7 27.6 28.0 28.6 28.5 28.7 28.7 27.7 27.4 26.6 27.1 27.7 1969 28.0 27.3 27.8 27.2 28.3 28.5 28.8 27.8 27.4 26.3 26.2 27.8 1970 30.4 29.1 29.2 28.1 26.9 26.5 27.2 27.3 26.3 26.2 26.0 26.6 1971 26.6 27.9 27.9 28.5 28.0 27.6 27.5 27.4 26.6 26.1 26.0 26.1 1972 27.2 27.7 29.5 28.8 27.6 28.0 27.7 27.1 27.3 26.7 26.5 27.8 1973 26.9 27.3 29.5 28.4 27.0 27.9 28.0 27.5 26.5 26.2 25.9 25.8 1974 26.4 26.9 27.6 28.3 30.4 29.2 27.9 27.8 27.7 26.6 26.7 26.8 1975 28.0 27.5 27.5 28.4 28.9 28.8 28.8 28.1 27.9 26.9 27.7 28.7 1976 27.8 28.6 28.0 28.4 28.2 27.0 26.6 27.1 26.8 26.6 25.9 26.8 1977 26.9 27.2 28.2 27.7 28.0 28.5 29.0 27.7 27.9 27.1 26.9 28.7 1978 28.9 28.9 29.1 27.2 27.4 27.5 26.4 26.5 26.9 26.1 25.7 25.9 1979 25.8 27.6 28.1 27.2 29.2 28.5 28.5 27.9 27.8 26.6 27.1 27.5 1980 28.0 28.6 28.2 29.3 27.7 27.7 27.6 27.2 26.8 26.2 25.7 26.8 1981 27.4 29.1 28.7 28.1 27.8 28.1 28.0 28.0 27.9 27.0 26.9 27.2 1982 28.6 28.8 28.5 28.4 27.0 27.4 28.1 28.0 27.9 26.6 26.1 27.1 1983 28.3 28.6 28.9 29.1 28.0 27.6 27.8 27.0 26.1 25.9 26.0 26.2 1984 26.6 26.4 28.6 28.7 27.5 28.2 28.3 28.0 26.2 26.1 25.8 27.0 1985 27.3 28.3 28.1 27.3 27.2 27.4 27.6 25.9 26.1 26.2 26.1 27.1 1986 27.1 26.7 27.3 28.3 28.8 28.0 28.1 27.8 28.0 27.2 26.6 27.4 1987 27.9 27.2 27.9 26.0 26.2 27.0 26.0 25.8 26.4 26.3 25.7 26.2 1988 26.4 27.3 29.0 27.6 27.5 28.4 28.2 28.5 28.5 27.7 28.2 29.0 1989 28.9 28.5 28.3 27.8 28.3 27.3 27.5 27.6 27.2 26.2 25.7 26.3 1990 26.4 27.5 27.0 27.9 28.5 28.9 28.2 28.0 26.9 26.5 27.1 28.2