Year	US Dollars adjusted for inflation)
1960	2000000
1961	9000000
1962	13000000
1963	32000000
1964	83000000
1965	31000000
1966	26000000
1967	16000000
1968	7000000
1969	28000000
1970	19000000
1971	165000000
1972	15000000
1973	5000000
1974	9000000
1975	445000000
1976	132000000
1977	31000000
1978	38000000
1979	15000000
1980	10000000
1981	12000000
1982	15000000
1983	5000000
1984	16000000
1985	1000000
1986	1000000
1987	36000000
1988	1000000
1990	5000000
1992	2000000
1995	0
1996	61000000
1997	6000000
1998	10000000
1999	46000000
2000	88000000
2001	11000000
2002	18000000
2005	26000000
2006	24000000
2008	18000000
2009	37000000
2010	151000000
2012	10000000
2013	1000000
2015	3000000
2016	43000000
2018	1000000
2020	6000000
2022	1000000