Year	current US$
1969	939999.997615814
1970	930000.007152557
1971	860000.014305115
1972	550000.011920929
1973	660000.026226044
1974	779999.971389771
1975	759999.990463257
1976	1019999.98092651
1977	939999.997615814
1978	1509999.9904632599
1979	1320000.05245209
1980	230000.004172325
1981	1629999.99523163
1982	1600000.02384186
1983	2210000.03814697
1984	1909999.9666214
1985	2009999.9904632599
1986	1850000.02384186
1987	3140000.10490417
1988	1899999.97615814
1989	2730000.01907349
1990	1870000.00476837
1991	3599999.90463257
1992	2630000.1144409203
1993	4500000
1994	3150000.09536743
1995	7050000.19073486
1996	2579999.92370605
1997	3720000.02861023
1998	2240000.00953674
1999	4289999.96185303
2000	3789999.96185303
2001	3769999.98092651
2002	3680000.0667572
2003	4519999.98092651
2004	4000000
2005	5219999.79019165
2006	4079999.92370605
2007	5599999.90463257
2008	1850000.02384186