Year Dollars 1890 0.341000 1891 0.341000 1892 0.348000 1893 0.347000 1894 0.339000 1895 0.341000 1896 0.343000 1897 0.346000 1898 0.348000 1899 0.361000 1900 0.374000 1901 0.391000 1902 0.413000 1903 0.436000 1904 0.443000 1905 0.454000 1906 0.481000 1907 0.498000 1908 0.505000 1909 0.510000 1910 0.520000 1911 0.531000 1912 0.544000 1913 0.557000 1914 0.567000 1915 0.569000 1916 0.587000 1917 0.624000 1918 0.684000 1919 0.780000 1920 1.05200 1921 1.07600 1922 1.00600 1923 1.10700 1924 1.18800 1925 1.22900 1926 1.31300 1927 1.35200 1928 1.35900