YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.6605 0.1244 0.0508 0.9559 11.15 1920. 66. 0.4548 0.2547 0.0314 0.9349 17.20 1930. 190. 0.6687 0.1693 0.0123 0.9758 20.00 1940. 190. 0.6932 0.1594 0.0116 0.9784 20.00 1950. 190. 0.6154 0.1867 0.0135 0.9697 20.00 1960. 190. 0.6410 0.2072 0.0150 0.9728 20.00 1970. 190. 0.5658 0.2428 0.0176 0.9631 20.00 1980. 190. 0.4951 0.2246 0.0163 0.9515 20.00