Year	DOD, current US$
1970	609795000
1971	659294000
1972	693175000
1973	738772000
1974	789499000
1975	766764000
1976	868913000
1977	951568000
1978	1011385000
1979	1089986000
1980	1150536000
1981	1218930068.9
1982	1390693968.2
1983	1495415011.7
1984	1592776101.6
1985	1825131806.4
1986	2164938792.8
1987	2687071435.6
1988	2949163744.8
1989	3342673916.7
1990	3921967378.5
1991	4491778426.2
1992	4840438000
1993	5306298000
1994	5987716000
1995	6402808000
1996	6486378000
1997	6571768000
1998	6936208000
1999	7219943000
2000	6921573000
2001	7041024000
2002	8143382000
2003	8563851000
2004	9278104000
2005	9103769000
2006	10014549000
2007	11160761000
2008	10999025000
2009	11844306000
2010	11806054000
2011	12381855000
2012	12622157000
2013	12661117000
2014	13012439000
2015	13783627000
2016	14048940000
2017	15300266000
2018	15162127000
2019	15304819000
2020	17175929000
2021	18261921000
2022	18070538000