Year	current US$
1968	29999.999329447703
1971	9999.99977648258
1974	9999.99977648258
1975	50000.0007450581
1976	50000.0007450581
1978	90000.0035762787
1979	310000.002384186
1980	259999.990463257
1981	239999.994635582
1982	219999.998807907
1983	140000.000596046
1984	109999.999403954
1985	70000.0002980232
1986	70000.0002980232
1987	439999.997615814
1988	59999.9986588955
1991	9999.99977648258
1992	29999.999329447703
1993	479999.989271164
1994	289999.99165535
1995	400000.00596046395
1996	39999.9991059303
1997	79999.9982118607
1998	980000.019073486
2000	620000.004768372
2001	509999.99046325695
2002	439999.997615814
2003	430000.00715255697
2004	500000
2005	209999.993443489
2006	90000.0035762787