Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	202299.2
1975	1740997
1976	3642124
1977	4493429.8
1978	954252.5
1979	5858809.4
1980	6979435.6
1981	8516107.5
1982	12493151.2
1983	17279348.2
1984	16682297.5
1985	28113901.8
1986	18477350.4
1987	32965598.1
1988	56092736.5
1989	95337920.3
1990	148388341.8
1991	204856819.1
1992	134971097.9
1993	152591855.8
1994	16138978.9
1995	26859392.6
1996	24258218.7
1997	9461503.1
1998	30019910.2
1999	34459999.2
2000	46296498.4
2001	19259557.5
2002	10379550.3
2003	16793207.1
2004	21501317.4
2005	21182433.5
2006	11960501.3
2007	5062665.5
2008	9002820.3
2009	23000000
2010	4117000
2011	35000000
2012	221000000
2013	213700000
2014	213653055.5
2015	213930928.7
2016	200955066
2017	195050000
2018	188500000
2019	186500000
2020	183938000
2021	181338983.2
2022	161630000