Year	US Dollars adjusted for inflation)
1965	11000000
1966	0
1972	11000000
1973	2000000
1980	22000000
1981	6000000
1987	0
2000	11000000
2001	0
2002	2000000
2007	6000000
2010	24000000
2011	12000000
2012	12000000
2015	46000000
2016	30000000
2021	32000000