Year	DOD, current US$
1970	8920000
1971	8625000
1972	8520000
1973	8492000
1974	8113000
1975	7757000
1976	9628000
1977	14943000
1978	20802000
1979	23512000
1980	25143000
1981	34436000
1982	43516000
1983	50629000
1984	44908000
1985	51054000
1986	63548000
1987	75776000
1988	65775000
1989	60244000
1990	43736000
1991	39941000
1992	34117000
1993	29882000
1994	27132000
1995	25145000
1996	20165000
1997	15297000
1998	15096000
1999	14073000
2000	13698000
2001	13400000
2002	13240000
2003	18783000
2004	27347000
2005	27081000
2006	25609000
2007	23044000
2008	16871000
2009	10008000
2010	4554000
2011	3117000
2012	4243000
2013	7756000
2014	14040000
2015	21787000
2016	27599000
2017	38806000
2018	39793000
2019	36356000
2020	42902000
2021	86753000
2022	175079000