Year	Thousands Of Dollars
1917	3808.00
1918	2157.00
1919	2707.00
1920	8056.00
1921	-1304.00
1922	884.000
1923	2076.00
1924	2300.00
1925	1847.00
1926	1692.00
1927	994.000
1928	1275.00
1929	712.000
1930	-1545.00
1931	-2652.00
1932	-3912.00
1933	141.000
1934	-1748.00
1935	-945.000
1936	1278.00
1937	563.000
1938	-1374.00
1939	-567.000
1940	997.000
1941	4289.00
1942	2937.00