Year	DOD, current US$
1970	408499124.6
1971	425894895.5
1972	497149438.1
1973	722712118.3
1974	947446039
1975	1022968292.3
1976	1178524398.1
1977	1291767561.9
1978	1676686532.1
1979	2103960800.8
1980	2492524898.6
1981	2499315203
1982	2634776059.5
1983	2755635038.1
1984	2715669367.8
1985	3189555671.6
1986	3771769966.4
1987	4790678002.9
1988	4820166824.7
1989	4863823254.4
1990	5638759228.7
1991	6252651563.4
1992	5728098757.2
1993	5845781902.2
1994	6042564034.8
1995	6301907963.3
1996	5948786122.7
1997	5418209965.1
1998	5792444777.8
1999	5563426138.9
2000	5215546163.2
2001	4820370425.9
2002	5299364367.9
2003	5855985074
2004	6094346381
2005	5799177838.1
2006	5920848847.8
2007	6282124708.8
2008	6432616496.4
2009	6767532210.8
2010	7027126295.2
2011	7650035167.6
2012	8962499572.4
2013	9884963161.5
2014	13586440298.4
2015	15880735392.5
2016	17820080388.7
2017	23247940642.4
2018	28008832889.9
2019	31631381617.1
2020	34354354171.2
2021	35871411270.3
2022	35606372057