Year	current US$
1995	50000000
1996	55000000
1997	70000000
1998	84000000
1999	61000000
2000	73000000
2001	38000000
2002	38000000
2003	139000000
2004	139000000
2005	181000000
2006	181000000
2007	425000000
2008	886000000
2009	899000000
2010	1161000000
2011	780000000
2012	848000000
2013	940000000
2014	1026000000
2015	100000000
2016	100000000