Year	Billions Of Dollars
1919	3.41100
1920	3.58500
1921	3.63200
1922	3.94900
1923	4.04400
1924	4.15400
1925	4.38600
1926	4.86100
1927	4.87700
1928	5.17500
1929	5.49800
1930	5.54900
1931	5.48100
1932	5.11900
1933	4.87900
1934	4.74500
1935	4.72100
1936	4.70000
1937	4.90000
1938	5.00000
1939	5.10000
1940	5.10000
1941	5.70000
1942	6.40000
1943	6.90000
1944	7.80000
1945	7.80000
1946	6.30000
