YEAR CORRS RBAR SDEV SERR EPS CORES 1882. 1. 0.3582 0.0000 0.0000 0.5275 2.00 1900. 1. 0.6272 0.0000 0.0000 0.8047 2.45 1910. 1. 0.6523 0.0000 0.0000 0.8662 3.45 1920. 6. 0.5888 0.2262 0.0923 0.8741 4.85 1930. 6. 0.5023 0.2470 0.1008 0.8967 8.60 1940. 15. 0.7741 0.1096 0.0283 0.9795 13.95 1950. 66. 0.6512 0.1688 0.0208 0.9695 17.05 1960. 136. 0.4109 0.2403 0.0206 0.9256 17.85 1970. 153. 0.4656 0.1914 0.0155 0.9401 18.00 1980. 136. 0.6609 0.1729 0.0148 0.9721 17.90