YEAR CORRS RBAR SDEV SERR EPS CORES 1950. 120. 0.4819 0.2231 0.0204 0.9370 16.00 1960. 120. 0.3739 0.2109 0.0192 0.9053 16.00 1970. 120. 0.3479 0.2647 0.0242 0.8951 16.00 1980. 120. 0.3788 0.2738 0.0250 0.9070 16.00