Year	US Dollars adjusted for inflation)
1960	44000000
1961	6000000
1963	7000000
1964	4000000
1965	40000000
1967	5000000
1968	17000000
1969	23000000
1970	51000000
1971	0
1972	4000000
1973	26000000
1974	14000000
1975	15000000
1976	10000000
1977	73000000
1978	14000000
1979	122000000
1980	103000000
1981	56000000
1982	60000000
1983	103000000
1984	116000000
1985	319000000
1987	56000000
1988	17000000
1989	48000000
1990	4000000
1991	20000000
1992	32000000
1994	35000000
1995	56000000
1996	68000000
1997	39000000
1998	18000000
1999	12000000
2002	44000000
2003	1000000
2005	168000000
2006	2000000
2008	3000000
2010	7000000
2011	7000000
2013	40000000
2014	49000000
2015	7000000
2016	39000000
2017	97000000
2018	181000000
2019	15000000
2020	15000000
2021	23000000
2022	8000000