Year	Billions Of Dollars
1919	0.264000
1920	0.276000
1921	0.292000
1922	0.312000
1923	0.334000
1924	0.362000
1925	0.392000
1926	0.428000
1927	0.466000
1928	0.501000
1929	0.524000
1930	0.555000
1931	0.591000
1932	0.616000
1933	0.638000
1934	0.666000
1935	0.696000
1936	0.730000
1937	0.760000
1938	0.780000
1939	0.820000
1940	0.850000
1941	0.880000
1942	0.920000
1943	0.950000
1944	0.970000
1945	0.980000
1946	1.02000