Year Million Current Dollars 1919 1381.30 1920 808.100 1921 272.700 1922 93.6000 1923 73.1000 1924 67.4000 1925 55.7000 1926 86.5000 1927 70.8000 1928 60.4000 1929 78.2000 1930 94.9000 1931 82.0000 1932 49.7000 1933 30.4000 1935 48.2000 1937 128.600