Year	current US$
1995	122000000
1996	199000000
1997	289000000
1998	407000000
1999	363000000
2000	356000000
2001	452000000
2002	622000000
2003	564000000
2004	718000000
2005	701000000
2006	838000000
2007	1014000000
2008	1012000000
2009	963000000
2010	1005000000
2011	1209000000
2012	1929000000
2013	2108000000
2014	2000000000
2015	1632000000
2016	1858000000
2017	2135000000
2018	2255000000
2019	2463000000
2020	459000000