Year	DOD, current US$
1992	9731000
1993	382514000
1994	577538000
1995	629795000
1996	694309400.4
1997	1050335124.1
1998	1228826959.2
1999	1373567363.8
2000	1140676654
2001	1162073154.7
2002	1254304142.6
2003	1272329032.2
2004	1166678857.2
2005	1116909976.5
2006	1060790372.7
2007	1348486856
2008	2497045162.5
2009	2666229139.6
2010	3561185320.5
2011	3922103878.3
2012	4619361917.4
2013	4862292683.6
2014	5123749263.3
2015	5144129015
2016	5180495790.8
2017	5865953296.1
2018	6086669246
2019	6632776523.9
2020	6903659102.3
2021	6970252411.4
2022	6744547550.9