YEAR CORRS RBAR SDEV SERR EPS CORES 1950. 120. 0.2479 0.2252 0.0206 0.8406 16.00 1960. 120. 0.2752 0.2508 0.0229 0.8587 16.00 1970. 120. 0.4339 0.2588 0.0236 0.9246 16.00 1980. 120. 0.5746 0.2473 0.0226 0.9558 16.00