Year	current US$
1995	2314000000
1996	2569000000
1997	2590000000
1998	1785000000
1999	1973000000
2000	2075000000
2001	2614000000
2002	2618000000
2003	2846000000
2004	3178000000
2005	3711000000
2006	4257000000
2007	5601000000
2008	6709000000
2009	6508000000
2010	8324000000
2011	10180000000
2012	12217000000
2013	12236000000
2014	12442000000
2015	10708000000
2016	10472000000
2017	10829000000
2018	12127000000
2019	12385000000
2020	4820000000