Year	US Dollars adjusted for inflation)
1961	3000000
1963	1000000
1964	0
1965	7000000
1967	12000000
1968	1000000
1969	1000000
1971	0
1972	0
1974	18000000
1975	6000000
1979	64000000
1980	43000000
1981	0
1983	8000000
1985	6000000
1996	21000000
2018	1000000
2020	1000000