Year	DOD, current US$
1970	6490000
1971	11063283
1972	9499875
1973	0
1974	21904516
1975	20943823
1976	14894660.6
1977	0
1978	0
1979	0
1980	31853396.7
1981	66726520.1
1982	129127957.7
1983	138791774.2
1984	124677196.4
1985	110525578.7
1986	62216988.8
1987	22336801.7
1988	10707734.9
1989	5315777.2
1990	187791.1
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	34292162.2
2000	32553206.4
2001	31399399
2002	33967607.2
2003	37126960.5
2004	38801954.9
2005	35710311
2006	37587434
2007	39482546.3
2008	38483646
2009	256798595.8
2010	252267694.2
2011	251487972.9
2012	251758236.4
2013	252262643.8
2014	237324404.8
2015	226992368.8
2016	220210952.5
2017	233283156.3
2018	227821394.5
2019	226516510.2
2020	649571160
2021	1016490014.6
2022	966558557.7