Year	current US$
1995	703000000
1996	736000000
1997	839000000
1998	888000000
1999	752000000
2000	620000000
2001	708000000
2002	673000000
2003	850000000
2004	977000000
2005	810000000
2006	904000000
2007	1026000000
2008	994000000
2009	1174000000
2010	1313000000
2011	1663000000
2012	1833000000
2013	1867000000
2014	2089000000
2015	1963000000
2016	2124000000
2017	2304000000
2018	2363000000
2019	2428000000
2020	530000000