Year	current US$
1976	230000.004172325
1977	1019999.98092651
1978	319999.99284744303
1979	360000.01430511504
1980	600000.023841858
1981	490000.009536743
1982	409999.99642372096
1983	579999.983310699
1984	50000.0007450581
1987	70000.0002980232
1988	109999.999403954
1989	90000.0035762787
1990	119999.997317791
1991	19999.9995529652
1992	9999.99977648258
1995	100000.00149011599
1996	219999.998807907
1997	159999.99642372102
1998	59999.9986588955
1999	29999.999329447703
2001	59999.9986588955
2002	19999.9995529652