YEAR CORRS RBAR SDEV SERR EPS CORES 1950. 120. 0.4946 0.2084 0.0190 0.9400 16.00 1960. 120. 0.4101 0.1923 0.0176 0.9175 16.00 1970. 120. 0.3708 0.2578 0.0235 0.9041 16.00 1980. 120. 0.3415 0.2857 0.0261 0.8925 16.00