Year	DOD, current US$
1999	2408825764.2
2000	2791207814.6
2001	2666165629
2002	3166667572.8
2003	4484507657.9
2004	5517180308.8
2005	7007652582.9
2006	8616906730.2
2007	11568599660.6
2008	13108605424.7
2009	14005774333.2
2010	14289296947.8
2011	12345114956.9
2012	12998206080.9
2013	13780032960.1
2014	13082372491.1
2015	11614129610
2016	11630871769.5
2017	13028529320.1
2018	12935844519.7
2019	12702643573.9
2020	13865863814.9
2021	13026483949.7
2022	12884791160.9