Year	current US$
1995	13000000
1996	22000000
1997	18000000
1998	12000000
1999	37000000
2000	38000000
2001	31000000
2002	29000000
2003	32000000
2004	30000000
2005	31000000
2006	37000000
2007	35000000
2008	38000000
2009	35000000
2010	34000000
2011	28000000
2012	53000000
2013	500000
2014	200000.00298023198
2015	79000000
2016	23000000
2017	98000000
2018	45000000
2019	36000000