Year	current US$
1995	919000000
1996	848000000
1997	425000000
1998	809000000
1999	811000000
2000	761000000
2001	947000000
2002	961000000
2003	1244000000
2004	1488000000
2005	1074000000
2006	1339000000
2007	1673000000
2008	1736000000
2009	1962000000
2010	2338000000