Year	US Dollars adjusted for inflation)
1964	7000000
1965	1000000
1992	15000000
1993	10000000
1994	18000000
1996	19000000
1997	31000000
1998	9000000
1999	3000000
2000	2000000
2001	2000000
2003	6000000
2004	22000000
2005	13000000
2006	23000000
2017	30000000
2022	7000000