Year	current US$
1995	785000000
1996	823000000
1997	1077000000
1998	1213000000
1999	1211000000
2000	500000000
2001	536000000
2002	513000000
2003	619000000
2004	799000000
2005	969000000
2006	1181000000
2007	1514000000
2008	1398000000
2009	1124000000
2010	1620000000
2011	1844000000
2012	2004000000
2013	1829000000
2014	1745000000
2015	1596000000
2016	1472000000
2017	1564000000
2018	1784000000
2019	1762000000