Year	current US$
1973	79999.9982118607
1974	109999.999403954
1975	79999.9982118607
1976	59999.9986588955
1977	79999.9982118607
1978	39999.9991059303
1981	159999.99642372102
1982	259999.990463257
1983	529999.971389771
1984	409999.99642372096
1985	569999.992847443
1986	430000.00715255697
1987	509999.99046325695
1988	680000.007152557
1989	660000.026226044
1990	589999.973773956
1991	850000.023841858
1992	680000.007152557
1993	1000000
1994	740000.009536743
1995	959999.978542328
1996	589999.973773956
1997	800000.011920929
1998	790000.021457672
1999	1000000
2000	1360000.01430511
2001	449999.988079071
2002	1120000.00476837
2003	1240000.0095367401
2004	1690000.0572204601
2005	2049999.9523162802
2006	1340000.0333786
2007	1059999.9427795399
2008	59999.9986588955