Year	DOD, current US$
1970	144131808.1
1971	162143126.8
1972	184883632.8
1973	208169185.3
1974	257079890.6
1975	310606492.9
1976	374880615.6
1977	500825197.6
1978	638821233.8
1979	766584212.7
1980	881976118.9
1981	940879323.7
1982	1168037884.9
1983	1369701078.3
1984	1451755783.8
1985	1728490823.7
1986	1998343064.5
1987	2341848741.3
1988	2203204876.3
1989	2198956753.9
1990	1803128995.6
1991	1767810956.1
1992	1442851462.6
1993	1360827819.4
1994	1544755497.9
1995	1833919222.4
1996	1861838377.6
1997	1981673437.7
1998	2157667579.3
1999	2663747566.5
2000	2539404262.7
2001	2368849161.3
2002	2911250240.4
2003	3428381652.8
2004	4057746460.4
2005	4903893963.8
2006	5964727811.8
2007	7103202202.7
2008	11795247943.7
2009	13135877814.1
2010	14951387037.7
2011	14662142251.5
2012	14855342850.5
2013	14759407754.5
2014	15379261227.4
2015	15292040555.8
2016	15312580638.6
2017	14944378766.2
2018	14760569046.8
2019	15240112683.8
2020	18672325692.7
2021	19917593977.3
2022	21815152314.1