Year	DOD, current US$
1996	108844000
1997	167067000
1998	311782000
1999	372762000
2000	397587000
2001	442834000
2002	577534000
2003	683345000
2004	926952000
2005	921431000
2006	983232000
2007	1067699000
2008	1077370000
2009	1102435000
2010	1180496000
2011	1192820000
2012	1192682000
2013	1192453000
2014	1120341000
2015	1075251000
2016	1058833000
2017	1104506000
2018	1050177000
2019	1008940000
2020	993544000
2021	893163000
2022	754781000