Year	Billions Of Dolllars
1929	3.00000
1930	-0.700000
1931	-1.80000
1932	-5.60000
1933	-4.20000
1934	-2.80000
1935	2.60000
1936	2.40000
1937	5.20000
1938	-1.80000
1939	1.00000
1940	4.50000
1941	8.60000
1942	3.60000
1943	-0.600000
1944	-1.70000
1945	-2.40000
1946	9.00000
1947	-0.100000
1948	4.40000
1949	-3.60000
1950	7.20000
1951	9.70000
1952	2.60000
1953	0.500000
1954	-1.60000
1955	6.10000
1956	4.50000
1957	2.00000
1958	-3.50000