Year	DOD, current US$
1975	948267
1976	1406000
1977	1729947.9
1978	2680012.9
1979	3168368.6
1980	2783223.3
1981	8275541.8
1982	6956580.1
1983	7668158.1
1984	6177723.7
1985	4202181.7
1986	2622771.2
1987	2084011.6
1988	1141153.6
1989	458641.9
1990	11381.3
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	1276434.3
2000	1211706.3
2001	1168758.9
2002	1264353.6
2003	5735844.2
2004	10537172.9
2005	9697597
2006	10900882.4
2007	9135425.3
2008	14390742.6
2009	40548563.7
2010	46308959.3
2011	45926323.1
2012	45496159.2
2013	45106832.8
2014	45714145
2015	44782655.1
2016	43948893.9
2017	44465743.1
2018	38600029.2
2019	35609141.6
2020	58758632.6
2021	76568979.6
2022	69336960.4