YEAR CORRS RBAR SDEV SERR EPS CORES 1891. 21. 0.4363 0.1692 0.0369 0.9303 17.25 1910. 190. 0.4917 0.2501 0.0181 0.9508 20.00 1920. 171. 0.6494 0.1731 0.0132 0.9735 19.85 1930. 171. 0.7711 0.1057 0.0081 0.9849 19.35 1940. 171. 0.8128 0.0763 0.0058 0.9880 19.00 1950. 153. 0.7541 0.1332 0.0108 0.9831 18.95 1960. 153. 0.5352 0.2002 0.0162 0.9550 18.45 1970. 153. 0.2188 0.2767 0.0224 0.8344 18.00 1980. 153. 0.5372 0.2068 0.0167 0.9543 18.00