Year	current US$
1995	4000000
1996	5000000
1997	4000000
1998	1000000
1999	4000000
2000	4000000
2001	15000000
2002	12000000
2003	12000000
2004	13000000
2005	19000000
2006	19000000
2007	14000000
2008	12000000
2009	13000000
2010	14000000
2011	5000000
2012	4000000
2013	4000000
2014	4000000
2015	4000000
2016	4000000
2017	4000000
2018	6000000
2019	7000000
2020	5000000