Year	US Dollars adjusted for inflation)
1993	178000000
1994	38000000
1995	99000000
1996	62000000
1997	58000000
1998	10000000
1999	125000000
2000	37000000
2001	54000000
2002	33000000
2004	46000000
2006	7000000
2007	22000000
2008	8000000
2012	4000000
2013	1000000
2014	8000000
2015	3000000
2016	18000000
2017	22000000
2018	12000000
2019	2000000
2020	3000000
2022	71000000