Year	DOD, current US$
1970	6088000
1971	36835000
1972	76853000
1973	147402000
1974	241100000
1975	383528000
1976	521581000
1977	611291000
1978	676105000
1979	757646000
1980	847505000
1981	1011803000
1982	1190916135.4
1983	1425978337.8000002
1984	1706443504.1999998
1985	2077418487.7
1986	2540847854.3999996
1987	3211628838.0999994
1988	3755189456.3000007
1989	4313329282.099999
1990	5151808480.999999
1991	5865521744.200001
1992	6745313000
1993	7698796000
1994	8948511000
1995	9972644000
1996	10741095000
1997	11169649000
1998	12393271000
1999	12775309000
2000	12783803119
2001	12962937000
2002	14370160000
2003	16381142000
2004	17611011000
2005	16730789000
2006	17917087000
2007	19320523000
2008	19908632000
2009	21139128000
2010	21440096000
2011	20789428000
2012	21183039000
2013	21529120000
2014	20587354000
2015	19640381000
2016	18840762000
2017	20020024000
2018	19533879000
2019	19408435000
2020	20629671000
2021	20066245000
2022	18878036000