Year	DOD, current US$
1992	2037000
1993	27637000
1994	64738000
1995	108992000
1996	137216000
1997	148150000
1998	220080000
1999	296335000
2000	345747000
2001	366122000
2002	475754000
2003	583261000
2004	676602000
2005	655409000
2006	728673000
2007	803139000
2008	817396000
2009	849414000
2010	849743000
2011	858818000
2012	874009000
2013	871029000
2014	813581000
2015	754393000
2016	701024000
2017	704946000
2018	647288000
2019	597396000
2020	572072000
2021	506109000
2022	432730000