Year	Thousands Of Dollars
1916	712.000
1917	1416.00
1918	2516.00
1919	3172.00
1920	4793.00
1921	3773.00
1922	3881.00
1923	4768.00
1924	4967.00
1925	5612.00
1926	6245.00
1927	6750.00
1928	7952.00
1929	7955.00
1930	8164.00
1931	8671.00
1932	8604.00
1933	8757.00
1934	7850.00
1935	7822.00
1936	7646.00
1937	6922.00
1938	6818.00
1939	6712.00
1940	5985.00
1941	6372.00
1942	7124.00