Year	Billions Of Dollars
1919	1.71000
1920	2.08000
1921	2.38000
1922	2.55000
1923	2.49000
1924	2.73000
1925	2.63000
1926	2.59000
1927	2.63000
1928	2.54000
1929	2.60000
1930	2.70000
1931	2.84000
1932	3.14000
1933	2.91000
1934	2.62000