Year	DOD, current US$
1970	5108000
1971	31916000
1972	67514000
1973	134842000
1974	211174000
1975	374870000
1976	630653000
1977	868753000
1978	1059384000
1979	1264416000
1980	1605480000
1981	1940922000
1982	2441849000
1983	2898976000
1984	3176107000
1985	4434150000
1986	5914558000
1987	8256248000
1988	8863664000
1989	9395822000
1990	10384701000
1991	11426099000
1992	11453393000
1993	12079592000
1994	12784569000
1995	13258744000
1996	11874037000
1997	10706352000
1998	11385830000
1999	12106223000
2000	12428293000
2001	12156957000
2002	11522949000
2003	10658668000
2004	9939149000
2005	9132342000
2006	8740862000
2007	8370641000
2008	8973924000
2009	10110817000
2010	11366849000
2011	11993992000
2012	12667587000
2013	13434149000
2014	14053422000
2015	16044062000
2016	17224228000
2017	17941282000
2018	18506940000
2019	19108790000
2020	19668944000
2021	19622457000
2022	20627477000