YEAR CORRS RBAR SDEV SERR EPS CORES 1882. 1. 0.4296 0.0000 0.0000 0.6010 2.00 1900. 1. 0.5613 0.0000 0.0000 0.7582 2.45 1910. 1. 0.3418 0.0000 0.0000 0.6418 3.45 1920. 6. 0.4159 0.2442 0.0997 0.7754 4.85 1930. 6. 0.3251 0.2337 0.0954 0.8056 8.60 1940. 15. 0.8231 0.0963 0.0249 0.9848 13.95 1950. 66. 0.6213 0.1987 0.0245 0.9655 17.05 1960. 136. 0.4039 0.2203 0.0189 0.9236 17.85 1970. 153. 0.3704 0.2403 0.0194 0.9137 18.00 1980. 136. 0.6117 0.2176 0.0187 0.9658 17.90