Year	DOD, current US$
1970	653521836.3
1971	668825763
1972	717269149.4
1973	760907624.2
1974	892554084
1975	1261219401.5
1976	1409590442.1
1977	1573608449.5
1978	1610303801.5
1979	1936342334.4
1980	2218906996.4
1981	2218767680.2
1982	2333209720.3
1983	2525114905.4
1984	2567307151.1
1985	3016525693.4
1986	3735388719.6
1987	4341683368.2
1988	4315185045
1989	4103445455.8
1990	4543084917.5
1991	4698679001.8
1992	4520348878.5
1993	4404415795.3
1994	5193916915.9
1995	5304217817.7
1996	5385128780.2
1997	5263929347.6
1998	5354765136.3
1999	4578198570.8
2000	4508221851
2001	4980702975.2
2002	5475111478.1
2003	5824943114.7
2004	6406989795.7
2005	4446966406
2006	1688179139.9
2007	2005917942.8
2008	2148094146.7
2009	2173599364.7
2010	2106098932.6
2011	3582805096
2012	4313874553
2013	5127664473.3
2014	8137596337.9
2015	10976694226.4
2016	14515120033
2017	22394011953.9
2018	23703695542
2019	28260909949.9
2020	28576579621.6
2021	23986554048.5
2022	24027428583.7