Year	DOD, current US$
1970	477537524.6
1971	497894895.5
1972	581161178.6
1973	844716764.7
1974	1152688059
1975	1290219777.3
1976	1493325017.4
1977	1658887244
1978	2173728428.2
1979	2720995167.7
1980	3386803513.5
1981	3228165912.1
1982	3367814483.6
1983	3628284465.8
1984	3511509910.2
1985	4181365915.7
1986	4603589573.6
1987	5783681917.2
1988	5809644178.8
1989	5889233567.6
1990	7055158928.9
1991	7453499318.4
1992	6898195691.8
1993	7111518961.1
1994	7124419830.7
1995	7309198401
1996	6813721635.2
1997	6465020215.1
1998	6823161838.5
1999	6524904617.7
2000	6147150097.6
2001	5495276586
2002	6095869527.9
2003	6715084650.7
2004	6916593410.5
2005	6501013208.9
2006	6719657604
2007	7576695048.2
2008	7691776548.9
2009	8585721249
2010	8885235532.9
2011	10042095566.4
2012	11832175543.2
2013	13775500738.7
2014	16911742536.7
2015	19783760501.7
2016	21057671043.3
2017	26951349499.4
2018	31433802015.7
2019	34970099589.9
2020	38038285074.1
2021	41219330146.9
2022	41562810754.5