YEAR CORRS RBAR SDEV SERR EPS CORES 1913. 6. 0.7573 0.1149 0.0469 0.9709 10.70 1930. 91. 0.4222 0.2320 0.0243 0.9174 15.20 1940. 105. 0.4516 0.1940 0.0189 0.9293 15.95 1950. 120. 0.1875 0.2646 0.0242 0.7869 16.00 1960. 120. 0.1262 0.2389 0.0218 0.6979 16.00 1970. 120. 0.1954 0.2242 0.0205 0.7953 16.00 1980. 120. 0.3399 0.2207 0.0201 0.8917 16.00