Year	DOD, current US$
1999	2247180639.4
2000	2621526988
2001	2489381562.4
2002	2656918908.2
2003	4216156029.5
2004	5124626300.4
2005	6095420489.4
2006	7404785334.7
2007	10146863787.1
2008	11915057226.4
2009	12010247385.6
2010	12371689191.8
2011	10250882851.3
2012	10978296990.3
2013	11912035134.6
2014	11409325064.5
2015	10167596276
2016	10213293601
2017	12151113101.8
2018	9502407830.3
2019	9500017442.7
2020	10081229537.1
2021	9204538867.6
2022	8977513025.5