YEAR CORRS RBAR SDEV SERR EPS CORES 1910. 378. 0.5475 0.1993 0.0103 0.9731 29.90 1920. 435. 0.5473 0.1899 0.0091 0.9732 30.00 1930. 435. 0.4847 0.1933 0.0093 0.9658 30.00 1940. 435. 0.5018 0.2061 0.0099 0.9680 30.00 1950. 435. 0.5383 0.1845 0.0088 0.9722 30.00 1960. 325. 0.3484 0.2496 0.0138 0.9400 29.30 1970. 3. 0.3475 0.1163 0.0672 0.9241 22.85