YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.6247 0.1644 0.0671 0.9489 11.15 1920. 66. 0.5099 0.2047 0.0252 0.9471 17.20 1930. 190. 0.6554 0.1790 0.0130 0.9744 20.00 1940. 190. 0.6936 0.1614 0.0117 0.9784 20.00 1950. 190. 0.6032 0.1988 0.0144 0.9682 20.00 1960. 190. 0.6338 0.2055 0.0149 0.9719 20.00 1970. 190. 0.5511 0.2392 0.0174 0.9609 20.00 1980. 190. 0.5108 0.2211 0.0160 0.9543 20.00