Year	Billions Of Dollars
1919	0.928000
1920	0.977000
1921	0.948000
1922	1.01900
1923	1.12000
1924	1.23700
1925	1.37300
1926	1.50600
1927	1.63100
1928	1.74300
1929	1.83800
1930	1.88800
1931	1.89500
1932	1.89000
1933	1.88700
1934	1.88800
1935	1.88500
1936	1.90000
1937	1.94000
1938	1.94000
1939	1.98000
1940	2.04000
1941	2.15000
1942	2.27000
1943	2.42000
1944	2.56000
1945	2.71000
1946	2.92000