Year	current US$
1995	12000000
1996	10000000
1997	12000000
1998	12000000
1999	7000000
2000	7000000
2001	10000000
2002	13000000
2003	11000000
2004	20000000
2005	26000000
2006	36000000
2007	42000000
2008	25000000
2009	18000000
2010	44000000
2011	41000000
2012	38000000
2013	39000000
2014	42000000
2015	33000000
2016	63000000
2017	66000000
2018	65000000
2019	92000000
2020	20000000