Year	DOD, current US$
1971	657000
1972	657000
1973	5677000
1974	11020000
1975	14728000
1976	18600000
1977	22976000
1978	25425000
1979	28565000
1980	33539000
1981	42641000
1982	53510000
1983	70343000
1984	58725000
1985	63399000
1986	70985000
1987	80146000
1988	71862000
1989	66215000
1990	67839000
1991	65054000
1992	53161000
1993	43647000
1994	39632000
1995	35275000
1996	32776000
1997	30315000
1998	31772000
1999	28081000
2000	19697000
2001	14755000
2002	12047000
2003	11130000
2004	9258000
2005	6287000
2006	4268000
2007	2649000
2008	1461000
2009	18000
2010	0
2016	50178000
2017	53563000
2018	73100000
2019	76205000
2020	142088000
2021	326303000
2022	468447000