Year	current US$
1995	4000000
1996	4000000
1997	3000000
1998	3000000
1999	3000000
2000	3000000
2001	3000000
2002	2000000
2003	4000000
2004	7000000
2005	9000000
2006	3000000
2007	8000000
2008	5000000
2009	8000000
2010	8000000
2011	10000000
2012	7000000
2013	6000000
2014	7000000
2015	6000000
2016	4000000
2017	4000000
2018	5000000
2019	4000000
2020	1000000