Year Billions Of Dollars 1919 7.50000 1920 6.52000 1921 7.84000 1922 8.86000 1923 9.76000 1924 9.03000 1925 9.95000 1926 10.0100 1927 11.2300 1928 11.2000 1929 11.8300 1930 10.6300 1931 10.4700 1932 9.51000 1933 8.65000 1934 8.70000 1935 9.50000 1936 10.2000 1937 9.90000 1938 10.0000 1939 11.2000 1940 11.3000 1941 12.5000 1942 11.8000 1943 12.4000