Year	US Dollars adjusted for inflation)
1961	3000000
1962	13000000
1963	18000000
1965	34000000
1966	72000000
1967	80000000
1968	1000000
1971	7000000
1972	52000000
1973	54000000
1974	41000000
1975	11000000
1976	3000000
1977	8000000
1978	2000000
1979	19000000
1980	37000000
1981	9000000
1982	36000000
1983	93000000
1984	192000000
1985	71000000
1992	40000000
1993	40000000
1994	18000000
1995	42000000
1996	27000000
1997	9000000
1998	8000000
1999	4000000
2000	4000000
2005	1000000
2007	5000000
2008	1000000
2009	52000000
2010	64000000
2011	1000000
2012	31000000
2013	25000000
2014	6000000
2015	48000000
2016	28000000
2017	50000000
2018	52000000
2019	58000000
2020	40000000
2021	40000000
2022	5000000