Year	Billions Of Dollars
1919	1.54000
1920	1.70000
1921	1.84000
1922	1.72000
1923	1.86000
1924	2.20000
1925	2.23000
1926	2.42000
1927	2.59000
1928	2.45000
1929	2.58000
1930	2.82000
1931	2.37000
1932	1.94000
1933	1.60000
1934	1.64000