Year	DOD, current US$
1970	29280000
1971	27596000
1972	24052000
1973	19853000
1974	17298000
1975	19297000
1976	20972000
1977	21291000
1978	21269000
1979	20320000
1980	18626000
1981	16962000
1982	15232000
1983	14636000
1984	10205000
1985	11053000
1986	12348000
1987	13819000
1988	20013000
1989	56408000
1990	69374000
1991	80515000
1992	81452000
1993	85939000
1994	113829000
1995	109928000
1996	91713000
1997	77192000
1998	74699000
1999	68353000
2000	64234000
2001	54859000
2002	50076000
2003	48739000
2004	38194000
2005	29575000
2006	18783000
2007	11814000
2008	20499000
2009	18273000
2010	22499000
2011	34558000
2012	33638000
2013	35742000
2014	31729000
2015	46410000
2016	66867000
2017	335548000
2018	368757000
2019	581260000
2020	680453000
2021	654304000
2022	648648000