Year	DOD, current US$
1994	18561000
1995	24312000
1996	26548000
1997	28754000
1998	36943000
1999	55779000
2000	84484000
2001	158275000
2002	218554000
2003	301398000
2004	352030000
2005	381054000
2006	419375000
2007	456914000
2008	472619000
2009	476849000
2010	467917000
2011	478471000
2012	480120000
2013	481084000
2014	452594000
2015	432889000
2016	419958000
2017	444886000
2018	434471000
2019	431983000
2020	449928000
2021	437218000
2022	415743000