Year	current US$
1969	419999.986886978
1970	219999.998807907
1971	379999.99523162795
1972	9999.99977648258
1973	150000.005960464
1974	259999.990463257
1975	180000.00715255702
1976	310000.002384186
1977	19999.9995529652
1978	39999.9991059303
1979	119999.997317791
1980	19999.9995529652
1981	9999.99977648258
1982	29999.999329447703
1983	200000.00298023198
1984	200000.00298023198
1985	1509999.9904632599
1986	639999.985694885
1987	839999.973773956
1988	1950000.04768372
1989	5659999.84741211
1990	6369999.88555908
1991	3339999.91416931
1992	1629999.99523163
1993	5099999.90463257
1994	1309999.9427795399
1995	7570000.17166138
1996	9999.99977648258
1997	2289999.96185303
1998	-19999.9995529652