Year	DOD, current US$
1970	100655000
1971	138610000
1972	197225000
1973	279229000
1974	355822000
1975	485337000
1976	692781000
1977	909554000
1978	1156004000
1979	1414353000
1980	1687073000
1981	1996278711.4999998
1982	2390635781.7
1983	2859483467.299999
1984	3389830690.0000005
1985	4122727914.5000005
1986	5156427728.8
1987	6656678319.700001
1988	7486667531.2
1989	8386982696.599999
1990	10022758979.6
1991	11070445071.599998
1992	11699174000
1993	12821209000
1994	14426290000
1995	15650767000
1996	16345177000
1997	16561286000
1998	17799257000
1999	17713075000
2000	17633102000
2001	18399111000
2002	21355400000
2003	24627040000
2004	27104588000
2005	26536112000
2006	14115078000
2007	15562423000
2008	16408323000
2009	17010539000
2010	16285423000
2011	16679169000
2012	18174380000
2013	20262302000
2014	20940238000
2015	21578220000
2016	23160245000
2017	26909192000
2018	29161733000
2019	32200057000
2020	36957572000
2021	37174659000
2022	38141021726.1