Year	DOD, current US$
1970	282372588.1
1971	307392965.1
1972	396619121.8
1973	434939123.7
1974	538698193.9
1975	795879992.3
1976	974102930.2
1977	1629664571.4
1978	2890901233.8
1979	3488392148.3
1980	4533923611.2
1981	5751536471
1982	5616475417
1983	6313866367.7
1984	6876918044.1
1985	7443510242.7
1986	8428697777.2
1987	9169311781.5
1988	9210846681.9
1989	9643990448
1990	10083877970.6
1991	10146204701.6
1992	9914037870.1
1993	10184744545.9
1994	13806304331.5
1995	15515259500.5
1996	15716776634.4
1997	16153115366.1
1998	16171956834.1
1999	17924759280.1
2000	16186636808.4
2001	16190828984.6
2002	16909794124.6
2003	17813755046.8
2004	18557693885.1
2005	18777448339.8
2006	18541196252.8
2007	19161990613
2008	17317706926.3
2009	11568434140.2
2010	13869007017.8
2011	14880051365.3
2012	15022895850.4
2013	17780480604.3
2014	23542558191.9
2015	26931571316.5
2016	33769320833.4
2017	39279477360.2
2018	43117134844.8
2019	48848276595.6
2020	48514162942.7
2021	48634498875.5
2022	49374432221.8