Year	US Dollars adjusted for inflation)
1960	9000000
1962	11000000
1963	0
1964	8000000
1965	1000000
1966	1000000
1967	5000000
1968	9000000
1970	0
1971	1000000
1972	12000000
1973	0
1974	1000000
1975	20000000
1976	3000000
1978	9000000
1979	1000000
1980	18000000
1981	5000000
1982	3000000
1983	1000000
1984	3000000
1985	35000000
1986	4000000
1988	14000000
1990	6000000
1991	3000000
1992	1000000
1996	2000000
2001	6000000
2004	4000000
2005	1000000
2010	3000000
2011	8000000
2012	7000000
2013	0
2019	2000000
2021	5000000