Year	DOD, current US$
1970	716253874.1
1971	693954454.3
1972	809516354.4
1973	851175724.6
1974	946414912
1975	1080565198.2
1976	1360672695.7
1977	1803420861.4
1978	2238360353.6
1979	2633582875.2
1980	2784672649.8
1981	3310315978.8
1982	3422096975.7
1983	4164917350.3
1984	4412205630.3
1985	4898177366.7
1986	5670015389.5
1987	5934538201.2
1988	4997498695.1
1989	4229853023.5
1990	4369976028
1991	4158857030.9
1992	4332374230.3
1993	4400366539
1994	4965186858.3
1995	5359275052.5
1996	5275484513.9
1997	5313085255.3
1998	5688227905.2
1999	5655151008.4
2000	5892765188.4
2001	4794042371.9
2002	5107005795.5
2003	5864138345.8
2004	6284467791.5
2005	6967641266.1
2006	6255767963.5
2007	5064781761.7
2008	5701040187.5
2009	5780325836.3
2010	5776504655.7
2011	6181999152.8
2012	6617099947.7
2013	8141786767.5
2014	8884014490.4
2015	9895204080.3
2016	10994252972.4
2017	12990057752.2
2018	13248377783.1
2019	14301150537.3
2020	15420129053.6
2021	16025613524
2022	15930334885.1