Year	DOD, current US$
1973	57304000
1974	58159000
1975	102436000
1976	275928000
1977	327969000
1978	332925000
1979	325124000
1980	328300000
1981	589700000
1982	862200000
1983	947100000
1984	936800000
1985	659900000
1986	713770000
1987	507243301.7
1988	143872824.1
1989	0
1990	0
1991	809337324.9
1992	1032487500
1993	1031406167.8
1994	1323228435.9
1995	1038070975
1996	651359944
1997	641102864.3
1998	539061482.1
1999	562449093.1
2000	551990850.6
2001	482508916.2
2002	531398301.4
2003	708210330.1
2004	561108725
2005	369474870.6
2006	217895791.6
2007	120021567.8
2008	116985046.8
2009	11087907225.4
2010	16608865830.3
2011	17738152965.9
2012	15748078012.7
2013	9539942287.3
2014	3352017605.9
2015	1497826481.6
2016	1323854898.2
2017	1402441820.6
2018	1369607031.8
2019	1361762383.5
2020	1418330296.8