Year	DOD, current US$
1970	8345623.6
1971	15632737.7
1972	18801080.7
1973	32604009.3
1974	41004961.1
1975	44176274
1976	107985559.6
1977	172586331.7
1978	247712996.4
1979	297544151
1980	335385373.7
1981	376431076
1982	415775368.6
1983	438467814.9
1984	508037045.6
1985	608908114.9
1986	859783917
1987	1154250431.2
1988	1325336561.6
1989	1465790130.6
1990	1759968296.8
1991	1852016893.5
1992	1889064115.3
1993	1950490734.5
1994	2024355461.7
1995	2094644420.2
1996	2191109722
1997	2259817179.4
1998	2396827094.3
1999	2494122894.2
2000	2474063899.6
2001	2534508398.5
2002	3103479724
2003	2447964054.4
2004	2893716560
2005	3178902451.9
2006	3662011288.6
2007	4779023422
2008	5468837020.1
2009	6084333965
2010	6409855848.1
2011	6942285683.6
2012	7284186743.9
2013	7310186294.9
2014	8743399203
2015	10872788598.1
2016	12745237475.6
2017	14203975399.3
2018	15397474976.2
2019	18319251799.2
2020	19446416755.6
2021	18165061966.6
2022	17757693963.2