YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 36. 0.3428 0.2061 0.0343 0.8899 15.50 1910. 91. 0.2672 0.2032 0.0213 0.8918 22.60 1920. 276. 0.3128 0.2023 0.0122 0.9215 25.80 1930. 325. 0.3569 0.2046 0.0113 0.9352 26.00 1940. 325. 0.3261 0.2419 0.0134 0.9264 26.00 1950. 325. 0.2236 0.2291 0.0127 0.8822 26.00 1960. 325. 0.1132 0.2787 0.0155 0.7684 26.00 1970. 325. 0.1787 0.2736 0.0152 0.8498 26.00