Year	DOD, current US$
1989	612607986.4
1990	988436108.4
1991	1297672619.4
1992	1928777993.2
1993	1880316458.9
1994	2170673955.3
1995	1957808164.2
1996	1168519201.9
1997	1266688669.9
1998	1684519067
1999	1585490036.8
2000	1322915747.5
2001	1451104782.3
2002	1207525379.6
2003	1074445507.7
2004	1196323951.4
2005	2316049837.9
2006	2132485280.1
2007	2269905861.5
2008	2390637402.7
2009	2592563310.2
2010	4567673350
2011	6061667120.6
2012	8696153334.4
2013	11341475129.1
2014	7659997207.3
2015	6050528839.7
2016	4403910065.6
2017	3708136673.4
2018	2831731180
2019	2583307515.4
2020	5350545275.1
2021	4639324020.6
2022	4192590874.6