Year	Million 1947-49 Dollars
1915	0.000000
1916	0.000000
1917	0.000000
1918	71.0000
1919	30.0000
1920	0.000000
1921	0.000000
1922	0.000000
1923	0.000000
1924	0.000000
1925	0.000000
1926	0.000000
1927	0.000000
1928	0.000000
1929	0.000000
1930	0.000000
1931	0.000000
1932	0.000000
1933	0.000000
1934	2.00000
1935	22.0000
1936	146.000
1937	200.000
1938	73.0000
1939	130.000
1940	395.000
1941	788.000
1942	940.000
1943	1229.00
1944	325.000
1945	115.000
1946	474.000