Year	US Dollars adjusted for inflation)
1964	0
1968	0
1969	3000000
1970	15000000
1971	18000000
1972	2000000
1973	16000000
1975	27000000
1976	6000000
1977	4000000
1978	5000000
1980	3000000
1981	4000000
1982	13000000
1983	8000000
1984	0
1985	7000000
1988	23000000
1989	2000000
1992	2000000
1996	0
1997	12000000
2002	1000000
2009	7000000
2012	15000000
2013	36000000
2016	3000000
2017	15000000
2018	8000000
2021	4000000
2022	8000000