Year	DOD, current US$
1993	35500000
1994	103199844.4
1995	206082378.9
1996	247857892
1997	237273458.7
1998	383895180.6
1999	642012466.2
2000	893109703.3
2001	928734247.1
2002	1131627392.1
2003	1368802382.1
2004	1607692266
2005	1700928080.9
2006	1935113230.5
2007	2446738660.2
2008	3070829936.4
2009	3682175488.3
2010	6004154125.1
2011	7366454304.6
2012	8973705133
2013	8749420834.4
2014	9872281028.1
2015	11577529460.7
2016	13006394599.4
2017	14546126296.3
2018	15799843121.6
2019	15709850560.3
2020	15804893358.5
2021	14907605528
2022	14066728472