Year	DOD, current US$
1970	204000
1971	830000
1972	1085000
1973	557000
1974	288960
1975	615947
1976	2052172
1977	167263994
1978	258113230
1979	319319272
1980	480386036.6
1981	637894758
1982	530894037.4
1983	297820910.1
1984	371053346.1
1985	363794292.3
1986	307064553.7
1987	286581616.7
1988	373382364.5
1989	491783466.9
1990	782208240.9
1991	561984225.9
1992	687059202.6
1993	831615928.1
1994	430770846.8
1995	615853393
1996	706725954.1
1997	750177412.2
1998	865068532.7
1999	1047121071.6
2000	1143781189.4
2001	1256119418.6
2002	1963039284.5
2003	1031469864.5
2004	915464262.8
2005	887127561.4
2006	1395396676.3
2007	2480000927
2008	1939779699
2009	1754869567.7
2010	1754280000
2011	1800000000
2012	1753283000
2013	1753040000
2014	2486234000
2015	3179389000
2016	3052654000
2017	2001468000
2018	2187389000
2019	2514956000
2020	2171641000
2021	2310648000
2022	3167754000