YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.6115 0.1497 0.0611 0.9461 11.15 1920. 66. 0.4823 0.2339 0.0288 0.9413 17.20 1930. 190. 0.6141 0.1928 0.0140 0.9695 20.00 1940. 190. 0.6581 0.1571 0.0114 0.9747 20.00 1950. 190. 0.5878 0.1851 0.0134 0.9661 20.00 1960. 190. 0.5780 0.1990 0.0144 0.9648 20.00 1970. 190. 0.5035 0.2471 0.0179 0.9530 20.00 1980. 190. 0.4686 0.2473 0.0179 0.9463 20.00