Year	Billions Of Dollars
1919	4.98000
1920	4.92000
1921	3.99000
1922	5.08000
1923	6.64000
1924	6.92000
1925	7.78000
1926	8.64000
1927	8.20000
1928	8.40000
1929	8.76000
1930	6.93000
1931	5.73000
1932	4.28000
1933	4.20000
1934	4.70000
1935	5.90000
1936	7.10000
1937	7.30000
1938	5.90000
1939	7.00000
1940	8.00000
1941	9.30000
1942	6.30000
1943	5.90000