Year	current US$
1977	119999.997317791
1980	129999.995231628
1981	100000.00149011599
1982	79999.9982118607
1983	140000.000596046
1984	59999.9986588955
1985	109999.999403954
1986	70000.0002980232
1987	70000.0002980232
1988	90000.0035762787
1989	250000
1990	159999.99642372102
1991	150000.005960464
1992	39999.9991059303
1993	150000.005960464
1994	140000.000596046
1995	140000.000596046
1996	170000.00178813902
1997	50000.0007450581
1998	-90000.0035762787
1999	9999.99977648258
2000	50000.0007450581
2001	19999.9995529652
2002	79999.9982118607