YEAR CORRS RBAR SDEV SERR EPS CORES 1850. 171. 0.6998 0.1058 0.0081 0.9819 23.28 1875. 300. 0.7849 0.0724 0.0042 0.9896 25.98 1900. 300. 0.7169 0.0911 0.0053 0.9860 27.76 1925. 378. 0.5619 0.1510 0.0078 0.9740 29.16 1950. 406. 0.4097 0.2157 0.0107 0.9540 29.88