Year	DOD, current US$
1970	939559305.4
1971	1260807888.7
1972	1549785827.5
1973	2991368810.9
1974	3365980296.4
1975	4632815496.7
1976	6114379902.6
1977	8912959726.9
1978	13748600491
1979	16572548616.7
1980	17038299072.8
1981	16063318142.2
1982	14888470178.6
1983	14410488197.1
1984	14131285871.5
1985	16398741782.4
1986	19497646536.7
1987	23133428591.3
1988	24480817226.2
1989	24789965821.9
1990	26692900053.7
1991	26255512108.9
1992	25762303665.8
1993	25102041792.8
1994	28444024246.1
1995	31310442886.3
1996	31292311263.5
1997	28716820456.3
1998	28490223340.7
1999	25925520612
2000	23353958638.9
2001	20869481309.5
2002	21425432653
2003	22445261998.2
2004	21142243902
2005	16382134412.6
2006	5164937197
2007	5177409897.9
2008	4738663388.1
2009	4043450020.8
2010	3629509109.6
2011	3072563628.2
2012	2469179779.9
2013	2072402858.1
2014	1810322499
2015	1187954740.2
2016	1866333647.4
2017	1904132012.6
2018	1724875953.9
2019	1571128227.5
2020	1668630001.5
2021	1476063369.7
2022	1290522237