Year	DOD, current US$
1989	7288778066.3
1990	8591895991.1
1991	9000344458.8
1992	10059207810.7
1993	10571384637.8
1994	11292755787.9
1995	11502043062.1
1996	10545818707.6
1997	9948274153
1998	10784076259.7
1999	10673241870.4
2000	9763465564.4
2001	8776917205
2002	9119036718.7
2003	9114598189.4
2004	9801188917.7
2005	12238371900.2
2006	9905180985.8
2007	11941803690.9
2008	15596027678.7
2009	20277281252.9
2010	26795572704.5
2011	34679553283.4
2012	36165323895.3
2013	43350110779.1
2014	45924334305.5
2015	48771532654.3
2016	57434097528.2
2017	58745881698.6
2018	61791490176.7
2019	62292159789.9
2020	65387403243.3
2021	66086652744.9
2022	60106552628.2