Year Million 1947-49 Dollars 1915 4569.00 1916 4842.00 1917 3584.00 1918 2311.00 1919 4022.00 1920 3398.00 1921 4422.00 1922 7671.00 1923 8961.00 1924 10455.0 1925 11514.0 1926 11570.0 1927 10818.0 1928 9958.00 1929 7250.00 1930 4261.00 1931 3486.00 1932 1658.00 1933 1237.00 1934 1513.00 1935 2506.00 1936 3753.00 1937 4024.00 1938 4146.00 1939 5485.00 1940 5913.00 1941 6428.00 1942 2995.00 1943 1466.00 1944 1248.00 1945 1813.00 1946 6121.00