Year	current US$
1995	506000000
1996	571000000
1997	669000000
1998	760000000
1999	845000000
2000	929000000
2001	942000000
2002	779000000
2003	791000000
2004	867000000
2005	885000000
2006	887000000
2007	991000000
2008	1006000000
2009	960000000
2010	1018000000
2011	1099000000
2012	1099000000
2013	1215000000
2014	1345000000
2015	1494000000
2016	1763000000
2017	1928000000
2018	2097000000
2019	2236000000
2020	371000000