Year	DOD, current US$
1970	6080000
1971	7165620
1972	8555316
1973	21775520
1974	17533408
1975	16307851
1976	0
1977	0
1978	39521437.4
1979	39962522.9
1980	126338992.8
1981	113287629.6
1982	125987354.5
1983	127106665.1
1984	96096129.1
1985	82211849.9
1986	192346754.4
1987	185706850
1988	209010086.9
1989	251790427.7
1990	257044786.1
1991	244796647.4
1992	249077125
1993	220509941.1
1994	263552551.5
1995	267762932.2
1996	276121398.6
1997	248140560
1998	264183043
1999	283651143.6
2000	254673303.1
2001	240714064.2
2002	231620062.9
2003	318333409.2
2004	348459724.7
2005	281990683.2
2006	54704497.2
2007	42197415.8
2008	41129829.8
2009	257306771.9
2010	252766904.2
2011	251985639.9
2012	252256438.2
2013	252761843.7
2014	237793817.7
2015	227441345.5
2016	220646516
2017	233744575.8
2018	228272011
2019	226964545.7
2020	582201162.3
2021	551798268.1
2022	524693140.7