Year	current US$
1987	3000000
1989	180000.00715255702
1990	1649999.97615814
1991	6809999.94277954
1992	7369999.88555908
1993	8220000.26702881
1994	9289999.96185303
1995	8489999.77111816
1996	6559999.94277954
1997	6300000.19073486
1998	8340000.152587891
1999	2299999.95231628
2000	3710000.03814697
2001	2809999.94277954
2002	1870000.00476837
2003	2400000.09536743
2004	2299999.95231628
2005	2319999.9332428
2006	1080000.04291534
2007	1230000.01907349
2008	810000.002384186
2010	-79999.9982118607