Year	current US$
1995	357000000
1996	484000000
1997	473000000
1998	539000000
1999	549000000
2000	508000000
2001	507000000
2002	555000000
2003	671000000
2004	887000000
2005	971000000
2006	1024000000
2007	1036000000
2008	1193000000
2009	1090000000
2010	1065000000
2011	1256000000
2012	1286000000
2013	1626000000
2014	1864000000
2015	1493000000
2016	1537000000
2017	1659000000
2018	1779000000
2019	1742000000
2020	588000000