Year	current US$
1995	130000000
1996	126000000
1997	159000000
1998	183000000
1999	206000000
2000	244000000
2001	262000000
2002	273000000
2003	266000000
2004	295000000
2005	238000000
2006	224000000
2007	232000000
2008	246000000
2009	145000000
2010	94000000
2011	47000000