Year	Million 1947-49 Dollars
1915	11503.0
1916	12247.0
1917	11811.0
1918	11124.0
1919	12129.0
1920	10546.0
1921	11621.0
1922	16203.0
1923	17928.0
1924	20099.0
1925	22504.0
1926	23752.0
1927	23787.0
1928	23036.0
1929	20853.0
1930	17440.0
1931	13977.0
1932	8892.00
1933	6631.00
1934	7725.00
1935	9081.00
1936	13489.0
1937	13620.0
1938	13492.0
1939	16080.0
1940	16767.0
1941	21714.0
1942	22852.0
1943	12812.0
1944	8174.00
1945	8681.00
1946	16346.0