Year	current US$
1995	7917000000
1996	8607000000
1997	8819000000
1998	9414000000
1999	10203000000
2000	10778000000
2001	10623000000
2002	10687000000
2003	10602000000
2004	13029000000
2005	13655000000
2006	14556000000
2007	15605000000
2008	15667000000
2009	13743000000
2010	15830000000
2011	16839000000
2012	20156000000
2013	20886000000
2014	21580000000
2015	20315000000
2016	22676000000
2017	25083000000
2018	26893000000
2019	28018000000
2020	11256000000