Year	Millions Of Dollars
1920	570.8
1921	602.9
1922	650.7
1923	735.9
1924	818.6
1925	911.9
1926	937.1
1927	1026.7
1928	1187.2
1929	1124.3
1930	1219.1
1931	1080.4
1932	1219.5
1933	1041.3
1934	1109.1
1935	1299.1
1936	1270.1
1937	1105.4
1938	1593.9
1939	1772.1
1940	2184.0
1941	2059.2
1942	2120.6
1943	2610.4
1944	2529.9
1945	2590.5