Year	DOD, current US$
1972	30147075.5
1973	108913673.1
1974	138779516
1975	210867977.6
1976	524565856.5
1977	755809145.7
1978	959935902.8
1979	3583369132.5
1980	9762279288
1981	10446728441.8
1982	10003161300.5
1983	9128472547.6
1984	7757568201.8
1985	7008017637.3
1986	6983317694.3
1987	6579983311.8
1988	2960340729.1
1989	1086835957.5
1990	1139859077.2
1991	2159379246.1
1992	3272087505.2
1993	4281771713.4
1994	5601780024.8
1995	6832100324.1
1996	8454022645.9
1997	9636709338.1
1998	10107804713.7
1999	9110874002
2000	11259184999.4
2001	12740486835.8
2002	16781888348
2003	22739460915.4
2004	29689407905.6
2005	38884059951
2006	53980696725
2007	84381083204.9
2008	99447360366.5
2009	113615499046.9
2010	115392643494.3
2011	119601149373.9
2012	120825838959.4
2013	123953721302.1
2014	111824344879.6
2015	96449761850.7
2016	96117936188
2017	114007964316.1
2018	112546911481.6
2019	118298177700.6
2020	142389651029