Year	Millions Of Dollars
1920	218.200
1921	140.900
1922	154.900
1923	184.100
1924	195.800
1925	236.500
1926	244.800
1927	7275.00
1928	352.600
1929	401.200
1930	329.600
1931	292.700
1932	267.300
1933	350.500
1934	362.700
1935	400.700
1936	469.000
1937	457.700
1938	434.900
1939	495.000
1940	543.000
1941	717.900
1942	696.100
1943	734.100
1944	617.100
1945	731.600