Year	DOD, current US$
1980	4618942613.2
1981	3969211554.7
1982	8269750070.8
1983	7078085808
1984	5159730090
1985	6025227842
1986	5793964260.5
1987	6150722410.1
1988	5843049165.3
1989	6526858378.8
1990	9026182538.2
1991	11368427701.3
1992	16074665445.3
1993	23392435930.4
1994	21792481976.9
1995	21681652185.7
1996	16684178793.1
1997	11697339746.3
1998	12341638353.4
1999	9742304899.9
2000	8800053478.5
2001	8280878565
2002	8934505230.4
2003	14235372770.8
2004	20950347846.7
2005	21393520935.6
2006	20494226261.2
2007	20834072180.2
2008	16026650174.6
2009	18609984963.8
2010	19768742370.1
2011	17260291984
2012	7481954468.2
2013	7013042464.9
2014	5817911004
2015	6455859301
2016	6058410415.5
2017	6819093933.4
2018	5773699803.6
2019	4855393068.1
2020	5433188395.8
2021	10348874166.9
2022	9950397346.6