YEAR CORRS RBAR SDEV SERR EPS CORES 1910. 378. 0.3923 0.2470 0.0127 0.9507 29.90 1920. 435. 0.3750 0.2417 0.0116 0.9474 30.00 1930. 435. 0.4128 0.2103 0.0101 0.9547 30.00 1940. 435. 0.3728 0.2893 0.0139 0.9469 30.00 1950. 435. 0.3753 0.2885 0.0138 0.9474 30.00 1960. 325. 0.2928 0.3085 0.0171 0.9238 29.30 1970. 3. 0.0231 0.1325 0.0765 0.3509 22.85