Year	DOD, current US$
1970	22000000
1971	16500000
1972	11000000
1973	5500000
1974	0
1975	13670000
1976	49674000
1977	86621000
1978	143072000
1979	258397000
1980	420475000
1981	539778000
1982	616091000
1983	728195000
1984	720305000
1985	1047958000
1986	1368041000
1987	1702707000
1988	1514694000
1989	1448309000
1990	1480361000
1991	1382440000
1992	1380885000
1993	1357102000
1994	1410574000
1995	1320372000
1996	1075400000
1997	869030000
1998	846492000
1999	761245000
2000	639009000
2001	549905000
2002	542428000
2003	539075000
2004	502999000
2005	492006000
2006	543505000
2007	1180700000
2008	1255400000
2009	1850003000
2010	2542750000
2011	2793777000
2012	3109169000
2013	3441166000
2014	3864948000
2015	4673201000
2016	6310494000
2017	7709748000
2018	9333116000
2019	10777720000
2020	11609727000
2021	11750493000
2022	12127594000