YEAR CORRS RBAR SDEV SERR EPS CORES 1930. 276. 0.5372 0.1934 0.0116 0.9654 24.00 1940. 276. 0.5607 0.1855 0.0112 0.9684 24.00 1950. 276. 0.5009 0.1743 0.0105 0.9601 24.00 1960. 276. 0.4167 0.1896 0.0114 0.9449 24.00 1970. 276. 0.3327 0.2037 0.0123 0.9229 24.00