YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.8172 0.0588 0.0240 0.9803 11.15 1920. 66. 0.4490 0.1848 0.0227 0.9334 17.20 1930. 190. 0.6185 0.1419 0.0103 0.9701 20.00 1940. 190. 0.6531 0.1916 0.0139 0.9741 20.00 1950. 190. 0.4488 0.2861 0.0208 0.9422 20.00 1960. 190. 0.3850 0.2315 0.0168 0.9261 20.00 1970. 190. 0.3636 0.2330 0.0169 0.9195 20.00 1980. 190. 0.3386 0.2235 0.0162 0.9110 20.00