YEAR CORRS RBAR SDEV SERR EPS CORES 1850. 171. 0.7148 0.0885 0.0068 0.9831 23.28 1875. 300. 0.7902 0.0744 0.0043 0.9899 25.98 1900. 300. 0.7356 0.0835 0.0048 0.9872 27.76 1925. 378. 0.5721 0.1385 0.0071 0.9750 29.16 1950. 406. 0.4324 0.1925 0.0096 0.9579 29.88