Year	US Dollars adjusted for inflation)
1983	4000000
1986	106000000
1989	5000000
1990	6000000
1991	42000000
1992	16000000
1993	28000000
1994	55000000
1995	1000000
1996	21000000
1997	6000000
1998	39000000
1999	167000000
2000	2000000
2001	10000000
2002	37000000
2003	44000000
2004	19000000
2005	87000000
2006	5000000
2007	9000000
2008	4000000
2009	16000000
2010	4000000
2011	2000000
2012	13000000
2013	21000000
2014	14000000
2015	70000000
2016	61000000
2017	31000000
2018	14000000
2019	10000000
2020	3000000
2021	7000000
2022	18000000