YEAR CORRS RBAR SDEV SERR EPS CORES 1874. 3. 0.6711 0.0080 0.0046 0.9531 9.95 1890. 120. 0.4842 0.1942 0.0177 0.9376 16.00 1900. 120. 0.8002 0.0779 0.0071 0.9857 17.25 1910. 120. 0.7213 0.1294 0.0118 0.9803 19.25 1920. 190. 0.5895 0.1649 0.0120 0.9664 20.00 1930. 190. 0.6784 0.1104 0.0080 0.9768 20.00 1940. 190. 0.6361 0.1609 0.0117 0.9722 20.00 1950. 190. 0.5114 0.2222 0.0161 0.9544 20.00 1960. 190. 0.4563 0.2012 0.0146 0.9438 20.00 1970. 190. 0.3155 0.2468 0.0179 0.9021 20.00 1980. 190. 0.3621 0.2316 0.0168 0.9191 20.00