Year	DOD, current US$
1991	0
1992	27400000
1993	30066000
1994	49249000
1995	58739000
1996	67565000
1997	97092000
1998	118012000
1999	129653000
2000	137092000
2001	154851000
2002	180545000
2003	226995000
2004	286958000
2005	277324000
2006	301306000
2007	330813000
2008	338341000
2009	392082000
2010	402634000
2011	447225000
2012	467311000
2013	471814000
2014	449653000
2015	434330000
2016	423254000
2017	578881000
2018	569846000
2019	578939000
2020	759735000
2021	809199000
2022	798340000