YEAR CORRS RBAR SDEV SERR EPS CORES 1913. 6. 0.7055 0.1219 0.0498 0.9625 10.70 1930. 91. 0.3159 0.3037 0.0318 0.8753 15.20 1940. 105. 0.2893 0.3058 0.0298 0.8665 15.95 1950. 120. 0.2457 0.3233 0.0295 0.8390 16.00 1960. 120. 0.3638 0.2416 0.0221 0.9015 16.00 1970. 120. 0.2753 0.3284 0.0300 0.8587 16.00 1980. 120. 0.2001 0.3105 0.0283 0.8001 16.00