Year Millions Of Dollars 1918 1820.00 1919 2090.00 1920 1951.00 1921 2126.00 1922 2526.00 1923 2598.00 1924 2586.00 1925 2581.00 1926 2270.00 1927 2381.00 1928 2367.00 1929 2276.00 1930 1703.00 1931 1242.00 1932 976.000 1933 1356.00 1934 1345.00 1935 1404.00 1936 61563.0 1937 1591.00 1938 1321.00 1939 1481.00 1940 1606.00 1941 2124.00