YEAR CORRS RBAR SDEV SERR EPS CORES 1900. 6. 0.8466 0.0694 0.0283 0.9840 11.15 1920. 66. 0.5681 0.1981 0.0244 0.9577 17.20 1930. 190. 0.4530 0.2958 0.0215 0.9431 20.00 1940. 190. 0.5026 0.2689 0.0195 0.9529 20.00 1950. 190. 0.5600 0.2342 0.0170 0.9622 20.00 1960. 190. 0.6016 0.1786 0.0130 0.9680 20.00 1970. 190. 0.3775 0.2361 0.0171 0.9238 20.00 1980. 190. 0.2323 0.2642 0.0192 0.8582 20.00