Year	current US$
1995	1838000000
1996	1895000000
1997	1858000000
1998	1980000000
1999	2118000000
2000	1977000000
2001	2061000000
2002	1831000000
2003	1935000000
2004	2432000000
2005	2800000000
2006	2999000000
2007	3373000000
2008	3909000000
2009	3524000000
2010	3477000000
2011	2529000000
2012	2931000000
2013	2863000000
2014	3042000000
2015	1869000000
2016	1706000000
2017	1782000000
2018	2320000000
2019	2683000000
2020	1007000000