Year	DOD, current US$
1981	6000
1982	12000
1983	1928.6
1984	0
1985	1022935.5
1986	6871153.5
1987	10407803.7
1988	4516031.1
1989	2435071
1990	4650888.4
1991	4709237.2
1992	6005597.2
1993	6957018.6
1994	9777251.2
1995	29217949.1
1996	5927932.7
1997	6955998.6
1998	5509087.4
1999	19237639.9
2000	3908398.9
2001	3605129.4
2002	3122285.2
2003	1783819.7
2004	1046652.5
2005	939808.3
2006	721000
2007	1287000
2008	1441540.3
2009	1459000
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	55313
2020	0
2021	0
2022	0