Year	US Dollars adjusted for inflation)
1960	3000000
1961	4000000
1962	19000000
1963	15000000
1964	7000000
1965	7000000
1966	14000000
1967	14000000
1968	4000000
1969	6000000
1970	32000000
1971	17000000
1972	14000000
1973	43000000
1974	1000000
1975	37000000
1976	21000000
1977	134000000
1978	26000000
1980	35000000
1981	54000000
1982	1000000
1983	94000000
1984	26000000
1985	59000000
1987	29000000
1988	18000000
1990	8000000
1997	42000000
1998	21000000
1999	30000000
2000	7000000
2003	0
2005	4000000
2008	7000000
2009	26000000
2011	14000000
2012	19000000
2013	19000000
2015	7000000
2017	2000000
2018	117000000
2019	27000000
2020	17000000
2021	3000000