Year	current US$
1995	1259000000
1996	1466000000
1997	1571000000
1998	1635000000
1999	1821000000
2000	2257000000
2001	2057000000
2002	2057000000
2003	1634000000
2004	2106000000
2005	2236000000
2006	2281000000
2007	2357000000
2008	2523000000
2009	1837000000
2010	2610000000
2011	3155000000