Year	Thousands Of Dollars
1917	3390.00
1918	3106.00
1919	3621.00
1920	6460.00
1921	1227.00
1922	384.000
1923	3659.00
1924	2491.00
1925	3492.00
1926	3699.00
1927	3828.00
1928	2936.00
1929	3309.00
1930	367.000
1931	-837.000
1932	-2310.00
1933	-483.000
1934	-20.0000
1935	-240.000
1936	929.000
1937	941.000
1938	110.000
1939	222.000
1940	1727.00
1941	3011.00
1942	2488.00