Year	US Dollars adjusted for inflation)
1964	5000000
1972	0
1976	2000000
1977	6000000
1978	7000000
1979	8000000
1980	14000000
1981	14000000
1984	1000000
1985	6000000
1986	10000000
1987	1000000
1988	2000000
1989	3000000
1990	10000000
1994	4000000
2008	3000000
2012	1000000
2013	2000000
2014	2000000
2015	2000000
2016	0
2022	19000000