YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.6115 0.1326 0.0541 0.9461 11.15 1920. 66. 0.3905 0.2734 0.0337 0.9168 17.20 1930. 190. 0.6300 0.1594 0.0116 0.9715 20.00 1940. 190. 0.6338 0.1663 0.0121 0.9719 20.00 1950. 190. 0.5241 0.2148 0.0156 0.9566 20.00 1960. 190. 0.5163 0.2009 0.0146 0.9552 20.00 1970. 190. 0.4873 0.2485 0.0180 0.9500 20.00 1980. 190. 0.4863 0.2604 0.0189 0.9498 20.00