Year	DOD, current US$
1970	2470000
1971	2518824
1972	2366826
1973	1230528
1974	3807884
1975	3476979
1976	11002530.1
1977	11503303.7
1978	17637171
1979	17109482
1980	13771909.1
1981	14571416.5
1982	13743556.7
1983	12805402.9
1984	8404157.9
1985	12002948.9
1986	10919552.8
1987	19820098.9
1988	16478096.5
1989	23556318
1990	30473377.2
1991	30639811.8
1992	29452500
1993	27740416.8
1994	42769224.1
1995	49005116.2
1996	65000107.2
1997	61130467.9
1998	63847121.9
1999	81775516.1
2000	90381563.8
2001	100904108.5
2002	119514043.7
2003	119901433.3
2004	110557228.9
2005	92841091.4
2006	81783697.2
2007	70594508.3
2008	55195575.4
2009	112592702.9
2010	99363921.4
2011	91257631
2012	87236756.4
2013	84516340.2
2014	97578467.3
2015	137267699.6
2016	192868588.9
2017	254233595
2018	394523062.8
2019	469812226.1
2020	678281471.6
2021	914315465.6
2022	996038078.1