Year	current US$
1995	4390000000
1996	4534000000
1997	4025000000
1998	4997000000
1999	4943000000
2000	4825000000
2001	5200000000
2002	5671000000
2003	6548000000
2004	7686000000
2005	7628000000
2006	9714000000
2007	11889000000
2008	11732000000
2009	9769000000
2010	10674000000