Year	Millions Of Dollars
1919	75027.0
1920	86815.0
1921	71081.0
1922	71825.0
1923	83711.0
1924	84954.0
1925	88530.0
1926	95021.0
1927	93409.0
1928	95537.0
1929	101465.
1930	87481.0
1931	71489.0
1932	53373.0
1933	50993.0
1934	59465.0
1935	67316.0
1936	77941.0
1937	85845.0
1938	79889.0
1939	85086.0
1940	93636.0
1941	112516.
1942	122974.
1943	132764.
1944	141855.
1945	149631.
1946	187969.
1947	214483.
1948	234115.
1949	229302.
1950	259803.
1951	288993.
1952	296367.
1953	308581.
1954	312239.
1955	341563.