Year	Billions Of Dollars
1919	5.01600
1920	5.51300
1921	0.848000
1922	3.51300
1923	5.00900
1924	2.90700
1925	5.40400
1926	2.92600
1927	4.31300
1928	4.00700
1929	5.69800
1930	3.00600
1931	4.80700
1932	4.78700
1933	2.77300
1934	0.981000
1935	4.05300
1936	5.33200
1937	5.09200
1938	1.18500