Year	current US$
1995	91000000
1996	101000000
1997	120000000
1998	155000000
1999	215000000
2000	204000000
2001	192000000
2002	231000000
2003	319000000
2004	399000000
2005	439000000
2006	586000000
2007	670000000
2008	809000000
2009	605000000
2010	633000000
2011	806000000
2012	796000000
2013	1059000000
2014	1181000000
2015	1026000000
2016	1162000000
2017	1247000000
2018	1463000000
2019	1545000000
2020	594000000