Year	DOD, current US$
1970	136494000
1971	160208000
1972	191233000
1973	254489000
1974	334862000
1975	431401000
1976	554659000
1977	692670000
1978	836176000
1979	1080343000
1980	1346949000
1981	1734071000
1982	2148800000
1983	2520084000
1984	2538871000
1985	3609427000
1986	4835597360
1987	6459417648
1988	6295902416
1989	6030257696
1990	6429134095.5
1991	6331809414
1992	5711391340.4
1993	5426871154.5
1994	5330613980.9
1995	5069228444.6
1996	4384602999.4
1997	3704794000
1998	3558161000
1999	3008840000
2000	3734352000
2001	4802180000
2002	5455959000
2003	5296731000
2004	6229942000
2005	5900663000
2006	6919314000
2007	7600733000
2008	8099952000
2009	9816451000
2010	11604973000
2011	12250666000
2012	13182190000
2013	14039101000
2014	12927207000
2015	11730741000
2016	10859602000
2017	12039361000
2018	11684897000
2019	11362440000
2020	11925339000
2021	11179330000
2022	11261816000