YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.7959 0.0833 0.0340 0.9775 11.15 1920. 66. 0.4178 0.2490 0.0307 0.9251 17.20 1930. 190. 0.5734 0.1985 0.0144 0.9641 20.00 1940. 190. 0.6088 0.2335 0.0169 0.9689 20.00 1950. 190. 0.3921 0.3386 0.0246 0.9281 20.00 1960. 190. 0.2980 0.2724 0.0198 0.8946 20.00 1970. 190. 0.2999 0.2599 0.0189 0.8955 20.00 1980. 190. 0.3081 0.2305 0.0167 0.8990 20.00