Year	Billions Of Dollars
1919	1.36400
1920	1.95400
1921	1.35800
1922	1.64600
1923	2.56100
1924	2.59900
1925	2.65400
1926	3.04200
1927	2.90200
1928	2.89700
1929	2.92400
1930	2.40400
1931	1.57700
1932	0.878000
1933	0.565000
1934	0.643000
1935	0.725000
1936	1.03600
1937	1.23800
1938	1.05800