Year	current US$
1995	18000000
1996	18000000
1997	18000000
1998	15000000
1999	16000000
2000	13000000
2001	19000000
2002	24000000
2003	18000000
2004	24000000
2005	26000000
2006	12000000
2007	14000000
2008	15000000
2009	13000000
2010	14000000
2011	18000000
2012	19000000
2013	14000000
2014	10000000
2015	11000000
2016	10000000
2017	10000000
2018	11000000
2019	9000000
2020	2000000