Year	current US$
1995	302000000
1996	300000000
1997	315000000
1998	423000000
1999	452000000
2000	425000000
2001	389000000
2002	444000000
2003	548000000
2004	574000000
2005	612000000
2006	693000000
2007	880000000
2008	1090000000
2009	1106000000
2010	1203000000
2011	1363000000
2012	1253000000
2013	1318000000
2014	1456000000
2015	1402000000
2016	1460000000
2017	1793000000
2018	1976000000
2019	2176000000
2020	1113000000