Year	DOD, current US$
1970	138722000
1971	156530000
1972	173782000
1973	202071000
1974	259735000
1975	423245000
1976	591827000
1977	815635000
1978	1026718000
1979	1405217000
1980	2370199000
1981	2587891000
1982	2783067000
1983	3126682000
1984	2948094000
1985	4231134000
1986	5782276000
1987	7520691000
1988	7096741000
1989	7273737000
1990	8248718000
1991	8712646000
1992	8889831000
1993	9262581000
1994	9945382000
1995	10645731000
1996	10033797000
1997	8775978000
1998	8813759000
1999	8365295000
2000	7663992000
2001	7291246000
2002	7501668000
2003	7826873000
2004	7491316000
2005	6807444000
2006	6195465000
2007	7499514000
2008	7171319000
2009	8059910000
2010	8568909000
2011	9440461000
2012	10339219000
2013	11724010000
2014	12057530000
2015	14875622000
2016	18620976000
2017	22040303000
2018	24383637000
2019	27470975000
2020	30873210000
2021	31473920000
2022	32850242000