YEAR CORRS RBAR SDEV SERR EPS CORES 1882. 1. 0.7531 0.0000 0.0000 0.8592 2.00 1900. 1. 0.8385 0.0000 0.0000 0.9271 2.45 1910. 1. 0.8053 0.0000 0.0000 0.9345 3.45 1920. 6. 0.5602 0.2543 0.1038 0.8607 4.85 1930. 6. 0.3226 0.2674 0.1092 0.8037 8.60 1940. 15. 0.7976 0.0613 0.0158 0.9821 13.95 1950. 66. 0.6761 0.2240 0.0276 0.9727 17.05 1960. 136. 0.5199 0.2216 0.0190 0.9508 17.85 1970. 153. 0.4662 0.2653 0.0215 0.9402 18.00 1980. 136. 0.5390 0.2373 0.0204 0.9544 17.90