Year	US Dollars adjusted for inflation)
1960	17000000
1961	0
1962	100000000
1963	0
1964	2000000
1965	8000000
1966	6000000
1968	10000000
1969	12000000
1970	10000000
1971	16000000
1972	24000000
1973	6000000
1974	5000000
1975	3000000
1976	53000000
1977	2000000
1978	8000000
1979	9000000
1980	21000000
1981	100000000
1982	15000000
1983	17000000
1985	12000000
1988	16000000
1989	41000000
1990	41000000
1991	63000000
1992	25000000
1993	18000000
1994	11000000
1995	12000000
1996	4000000
1997	19000000
1998	27000000
1999	9000000
2000	4000000
2002	13000000
2005	20000000
2006	8000000
2007	3000000
2008	78000000
2009	29000000
2010	20000000
2013	3000000
2014	9000000
2015	8000000
2018	10000000
2020	25000000
2021	3000000
2022	5000000