Year	US Dollars adjusted for inflation)
1990	78000000
1991	113000000
1994	4000000
1995	171000000
1998	1000000
1999	52000000
2000	158000000
2001	85000000
2002	592000000
2003	58000000
2004	248000000
2005	311000000
2006	38000000
2007	66000000
2008	41000000
2009	5000000
2010	261000000
2011	47000000
2012	38000000
2013	23000000
2014	6000000
2015	33000000
2016	7000000
2017	6000000
2018	9000000