Year	US Dollars adjusted for inflation)
1977	3000000
1978	6000000
1979	36000000
1980	5000000
1981	2000000
1982	3000000
1983	3000000
1985	1000000
1986	8000000
1987	1000000
1991	1000000
1992	19000000
1993	5000000
1995	2000000
2000	1000000
2002	3000000
2004	4000000
2005	7000000
2012	6000000
2013	5000000
2014	15000000
2015	1000000
2016	10000000
2019	8000000
2020	1000000
2021	45000000
2022	17000000