YEAR CORRS RBAR SDEV SERR EPS CORES 1882. 1. 0.7938 0.0000 0.0000 0.8851 2.00 1900. 1. 0.8551 0.0000 0.0000 0.9353 2.45 1910. 1. 0.7976 0.0000 0.0000 0.9315 3.45 1920. 6. 0.6528 0.1405 0.0574 0.9012 4.85 1930. 6. 0.4455 0.2609 0.1065 0.8736 8.60 1940. 15. 0.6651 0.1329 0.0343 0.9652 13.95 1950. 66. 0.6225 0.1512 0.0186 0.9657 17.05 1960. 136. 0.4943 0.1811 0.0155 0.9458 17.85 1970. 153. 0.5210 0.1594 0.0129 0.9514 18.00 1980. 136. 0.5117 0.1734 0.0149 0.9494 17.90