Year	DOD, current US$
1970	74130000
1971	67448000
1972	0
1973	0
1974	0
1975	243002000
1976	391300000
1977	409100000
1978	622300000
1979	632700000
1980	1054200000
1981	1321800000
1982	1455200000
1983	1567400000
1984	1426200000
1985	1326360000
1986	1085200000
1987	770288401.5
1988	298787116.7
1989	47638300
1990	0
1991	0
1992	0
1993	0
1994	343794664.1
1995	684528650.2
1996	662180593.2
1997	594260953.4
1998	388352987.5
1999	1044688702.4
2000	4322543336.4
2001	14257811723.9
2002	22238983295.8
2003	24258586557.5
2004	21681036821.6
2005	14806725521.4
2006	10930976417.6
2007	7335940846.6
2008	8697377917.7
2009	9637634072.5
2010	7276707540.1
2011	4521414242.9
2012	2510465994.1
2013	1649846877.9
2014	1552148288.1
2015	1484574740.1
2016	1440222944
2017	1525717728.1
2018	1489996731.6
2019	1481462531.6
2020	1543002815.7
2021	7748694528.8
2022	7368067468.5