Year	US Dollars adjusted for inflation)
1961	0
1963	2000000
1964	0
1965	2000000
1966	2000000
1967	3000000
1968	3000000
1971	8000000
1972	1000000
1973	12000000
1976	29000000
1977	73000000
1979	1000000
1981	28000000
1982	113000000
1983	5000000
1984	126000000
1985	16000000
1986	11000000
1987	5000000
1988	1000000
1989	3000000
1990	8000000
1992	3000000
1996	4000000
1997	6000000
1998	9000000
1999	4000000
2001	6000000
2002	10000000
2005	5000000
2006	2000000
2008	1000000
2010	10000000
2012	9000000
2013	139000000
2014	122000000
2015	9000000
2016	20000000
2017	8000000
2018	2000000
2019	4000000
2020	0
2021	3000000
2022	2000000