Year	current US$
1995	252400000
1997	169100000
1998	2281600000
1999	126700000
2000	164300000
2001	64400000.00000001
2002	474000000
2003	29100000
2004	25900000
2005	126700000
2006	53500000
2007	63800000
2008	20000000