Year	US Dollars adjusted for inflation)
1963	7000000
1970	12000000
1978	9000000
1980	4000000
1985	8000000
1986	4000000
1993	18000000
1994	18000000
1995	27000000
1997	9000000
1999	54000000
2001	18000000
2002	54000000
2004	27000000
2005	9000000
2006	9000000
2008	1000000
2011	4000000
2016	85000000
2017	94000000
2018	15000000
2019	9000000
2021	17000000