Year	Millions Of Dolllars
1919	2815.00
1920	4213.00
1921	-42.0000
1922	313.000
1923	2825.00
1924	-934.000
1925	1602.00
1926	1177.00
1927	418.000
1928	-377.000
1929	1699.00
1930	-523.000
1931	-673.000
1932	-3225.00
1933	-3236.00
1934	-2598.00
1935	2884.00
1936	1036.00
1937	4698.00
1938	-627.000
1939	885.000