Year	DOD, current US$
1976	0
1977	149000000
1978	173009000
1979	264964000
1980	272212000
1981	241548000
1982	151710051.2
1983	141693228.5
1984	198865108.4
1985	302872193
1986	361697064.5
1987	408881474.9
1988	414583901.2
1989	400148351.3
1990	200663316
1991	193479867
1992	180445735.1
1993	223982079.2
1994	324820432.7
1995	380444835.8
1996	418688355
1997	487377780.9
1998	531568386.4
1999	448862341.4
2000	373566877.7
2001	329252426
2002	523873811.8
2003	432395214.1
2004	422869436.2
2005	321236812.3
2006	284753768.7
2007	316849135.6
2008	465535230.4
2009	249249238.2
2010	374241464
2011	267471639.3
2012	401589880.3
2013	511859258.7
2014	503617353.7
2015	490799782.7
2016	439062233.7
2017	492955232.1
2018	701881475
2019	778440000
2020	628059000
2021	1013195000
2022	989322929.4