Year	DOD, current US$
1993	35540000
1994	112814844.4
1995	320987667.6
1996	438309868.3
1997	508060653.1
1998	706603152.3
1999	1289063609
2000	1585215993.3
2001	1519801453.6
2002	1701647122.3
2003	1959261793.7
2004	2192577447.2
2005	2270055653.1
2006	2820389403.5
2007	3924409213.9
2008	4522619511.2
2009	4579733732.4
2010	7285505104.2
2011	7722133655.1
2012	10856678607.3
2013	10596759022.3
2014	12117384320.8
2015	13337861419.9
2016	14608834693.7
2017	15439551135.3
2018	16583157327.6
2019	16539074382
2020	16478249028.4
2021	15647994867
2022	15277053817.9