Year	US Dollars adjusted for inflation)
1974	8000000
1975	12000000
1979	20000000
1980	29000000
1981	5000000
1982	148000000
1983	250000000
1984	88000000
1985	57000000
1986	65000000
1987	212000000
1988	189000000
1989	66000000
1990	4000000
1991	113000000
1992	131000000
1993	137000000
1994	24000000
1995	41000000
1996	47000000
1997	47000000
1998	81000000
1999	55000000
2000	58000000
2001	73000000
2002	162000000
2003	134000000
2004	47000000
2005	20000000
2006	20000000
2007	20000000
2008	20000000
2009	26000000
2010	5000000
2014	1000000