Year	current US$
1988	259999.990463257
1989	430000.00715255697
1990	189999.99761581398
1991	270000.010728836
1992	589999.973773956
1993	709999.978542328
1994	90000.0035762787
1995	639999.985694885
1996	790000.021457672
1997	529999.971389771
1998	389999.98569488496
1999	1000000
2000	449999.988079071
2001	419999.986886978
2002	370000.00476837205
2003	460000.00834465
2004	920000.016689301
2005	730000.019073486
2006	949999.988079071
2007	889999.985694885
2008	419999.986886978