Year	current US$
1960	819999.992847443
1961	-90000.0035762787
1962	-200000.00298023198
1963	-70000.0002980232
1964	-50000.0007450581
1965	-270000.010728836
1966	550000.011920929
1967	980000.019073486
1968	129999.995231628
1969	-180000.00715255702
1970	90000.0035762787
1971	2690000.05722046
1972	1990000.0095367401
1973	-540000.021457672
1974	-439999.997615814
1975	-1620000.00476837
1976	300000.011920929
1977	769999.980926514
1978	479999.989271164
1979	50000.0007450581
1980	540000.021457672
1981	-70000.0002980232
1982	-140000.000596046
1983	-109999.999403954
1984	-259999.990463257
1985	400000.00596046395
1986	289999.99165535
1987	360000.01430511504
1988	490000.009536743
1989	400000.00596046395
1990	540000.021457672
1991	-2019999.9809265102
1992	-77489997.8637695
1993	600000.023841858
1994	500000
1995	430000.00715255697
1996	119999.997317791
1997	119999.997317791