Year	US Dollars adjusted for inflation)
1960	1000000
1961	1000000
1965	0
1971	4000000
1973	3000000
1974	13000000
1975	10000000
1976	8000000
1977	3000000
1980	10000000
1983	36000000
1984	9000000
1985	1000000
1986	29000000
1987	28000000
1988	9000000
1989	56000000
1994	3000000
1995	1000000
1998	7000000
1999	7000000
2001	16000000
2006	17000000
2007	29000000
2008	82000000
2009	36000000
2010	42000000
2011	1000000
2012	4000000
2013	59000000
2014	58000000
2015	1000000
2016	2000000
2017	6000000
2018	7000000
2019	1000000
2020	4000000
2021	43000000
2022	4000000