Year	US Dollars adjusted for inflation)
1965	5000000
1966	1000000
1967	18000000
1968	1000000
1970	5000000
1971	18000000
1972	2000000
1973	1000000
1974	15000000
1975	1000000
1976	0
1978	46000000
1979	64000000
1981	8000000
1982	12000000
1983	85000000
1984	60000000
1986	13000000
1990	4000000
1991	4000000
1996	17000000
1997	31000000
1998	7000000
1999	4000000
2001	5000000
2002	1000000
2003	0
2004	0
2005	1000000
2006	1000000
2009	33000000
2010	33000000
2011	229000000
2012	20000000
2013	15000000
2014	121000000
2015	36000000
2021	0