Year	DOD, current US$
1971	153000
1972	707000
1973	2072000
1974	4119000
1975	12357000
1976	37696000
1977	58910000
1978	88999000
1979	109036000
1980	137049000
1981	163387183.3
1982	199304540.8
1983	252834161.5
1984	294027871.9
1985	348118424.7
1986	406598390.4
1987	473387583.5
1988	509829543.9
1989	546437406.5
1990	602141751.9
1991	651287179.6
1992	683760000
1993	726222000
1994	779969000
1995	827496000
1996	893122000
1997	933649000
1998	1074928000
1999	1215536000
2000	1216491000
2001	1236647000
2002	1383719000
2003	1567485000
2004	1701369000
2005	1688840000
2006	1894121000
2007	2057613000
2008	2113327000
2009	2187438000
2010	2180010000
2011	2135216000
2012	2103923000
2013	2070388000
2014	1910161000
2015	1780328000
2016	1667944000
2017	1694835000
2018	1585771000
2019	1504667000
2020	1487632000
2021	1368207000
2022	1224656000