Year	current US$
1995	9459000000
1996	8891000000
1997	7945000000
1998	7991000000
1999	6839000000
2000	6566000000
2001	6716000000
2002	7231000000
2003	8424000000
2004	9288000000
2005	9891000000
2006	10784000000
2007	12223000000
2008	14698000000
2009	14340000000
2010	14811000000
2011	17148000000
2012	15991000000
2013	16674000000
2014	17768000000
2015	16929000000
2016	16752000000
2017	17251000000
2018	17994000000
2019	17955000000
2020	9038000000