Year	current US$
1995	4341000000
1996	4301000000
1999	6426000000
2000	6479000000
2001	6170000000
2002	6491000000
2003	7732000000
2004	6893000000
2005	7286000000
2006	6972000000
2007	8144000000
2008	9445000000
2009	8096000000
2010	8398000000
2011	10784000000
2012	10232000000
2013	10261000000
2014	9687000000
2015	8192000000
2016	8593000000
2017	9595000000
2018	9667000000
2019	9244000000
2020	3435000000