YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.9152 0.0315 0.0129 0.9918 11.15 1920. 66. 0.4174 0.2680 0.0330 0.9250 17.20 1930. 190. 0.5746 0.1829 0.0133 0.9643 20.00 1940. 190. 0.5844 0.2493 0.0181 0.9657 20.00 1950. 190. 0.3632 0.3508 0.0255 0.9194 20.00 1960. 190. 0.2631 0.2999 0.0218 0.8772 20.00 1970. 190. 0.2717 0.2796 0.0203 0.8818 20.00 1980. 190. 0.3044 0.2574 0.0187 0.8974 20.00