Year	DOD, current US$
1970	232362560
1971	238495570.1
1972	218822503.6
1973	217482194.3
1974	217428044
1975	186854615.4
1976	143900096.4
1977	199462732
1978	446075279.6
1979	559236734.4
1980	785615492.4
1981	1259851748
1982	1874292580.4
1983	2199842233.1
1984	2190638145.8
1985	2431222427.1
1986	2646241107.6
1987	2920820001.7
1988	2731040074.6
1989	2854663011.7
1990	3317718662.7
1991	3516023398.5
1992	4171081079.4
1993	4315939423.5
1994	4566492632.7
1995	5081073842.7
1996	5078066551.5
1997	4965635217.8
1998	4686548620.5
1999	4422807013.4
2000	3923483058.5
2001	3738737153.8
2002	4051959434.1
2003	4680106439.1
2004	5030590041.9
2005	4538346912.1
2006	5008412859.3
2007	5819180882.7
2008	5820976708.8
2009	6157242478.8
2010	6763508195.7
2011	7390606422.5
2012	8889971469.7
2013	8419189307.9
2014	8359312610.9
2015	9648657301.3
2016	11468175295.4
2017	12524279801.9
2018	12655659120.7
2019	12295609241.1
2020	12793015300.1
2021	13760562204.4
2022	13793725652.1