Year Dollars 1913 0.516000 1914 0.526000 1915 0.531000 1916 0.547000 1917 0.583000 1918 0.650000 1919 0.748000 1920 1.01700 1921 1.03200 1922 0.963000 1923 1.06800 1924 1.15400 1925 1.19900 1926 1.27800 1927 1.32300 1928 1.33400 1929 1.35200 1930 1.41000 1931 1.42800 1932 1.21600 1933 1.20100