Year	Billions Of Dollars
1919	1.34000
1920	1.66000
1921	1.97000
1922	1.94000
1923	2.03000
1924	2.15000
1925	2.11000
1926	2.14000
1927	2.48000
1928	2.46000
1929	2.53000
1930	2.63000
1931	2.57000
1932	2.39000
1933	1.95000
1934	1.69000