Year	current US$
1995	5000000
1996	5000000
1997	6000000
1998	6000000
1999	7000000
2000	8000000
2001	8000000
2002	8000000
2003	8000000
2004	9000000
2005	10000000
2006	16000000
2007	16000000
2008	11000000
2009	10000000
2010	10000000
2011	10000000
2012	11000000
2013	11000000
2014	18000000
2015	20000000
2016	21000000
2017	22000000
2018	24000000
2019	24000000
2020	5000000