Year	current US$
1995	911000000
1996	931000000
1997	1103000000
1998	1105000000
1999	911000000
2000	819000000
2001	799000000
2002	898000000
2003	883000000
2004	1095000000
2005	1001000000
2006	1149000000
2007	1453000000
2008	1594000000
2009	1613000000
2010	1552000000
2011	1813000000
2012	2150000000
2013	2181000000
2014	2259000000
2015	2481000000
2016	2665000000
2017	3131000000
2018	2871000000
2019	2279000000
2020	406000000