Year	current US$
1995	4000000
1996	4000000
1997	3000000
1998	23000000
1999	39000000
2000	84000000
2001	90000000
2002	202000000
2003	243000000
2004	261000000
2005	301000000
2006	244000000
2007	99000000
2008	99000000
2009	159000000
2010	170000000