YEAR CORRS RBAR SDEV SERR EPS CORES 1913. 6. 0.6226 0.0919 0.0375 0.9464 10.70 1930. 91. 0.4409 0.2265 0.0237 0.9230 15.20 1940. 105. 0.4456 0.2106 0.0206 0.9276 15.95 1950. 120. 0.2824 0.2242 0.0205 0.8629 16.00 1960. 120. 0.2037 0.2132 0.0195 0.8037 16.00 1970. 120. 0.2996 0.1652 0.0151 0.8725 16.00 1980. 120. 0.3360 0.1918 0.0175 0.8901 16.00