Year	current US$
1977	19999.9995529652
1980	50000.0007450581
1981	79999.9982118607
1982	150000.005960464
1983	180000.00715255702
1984	70000.0002980232
1985	70000.0002980232
1986	19999.9995529652
1987	19999.9995529652
1988	39999.9991059303
1989	59999.9986588955
1990	19999.9995529652
1991	9999.99977648258
1992	180000.00715255702
1993	109999.999403954
1994	19999.9995529652
1995	109999.999403954
1996	59999.9986588955
1997	59999.9986588955
1998	19999.9995529652
1999	90000.0035762787
2000	70000.0002980232
2001	9999.99977648258
2002	59999.9986588955