Year	DOD, current US$
1981	14083916
1982	13347631
1983	16704087.3
1984	22720287.6
1985	30138447.9
1986	46805748
1987	58336717.9
1988	60839097
1989	62214962.7
1990	67351569.7
1991	67546337.6
1992	137469000
1993	199463000
1994	313215000
1995	335595000
1996	334951000
1997	398548000
1998	442389000
1999	452401000
2000	436912000
2001	417907000
2002	450207000
2003	493137000
2004	516020000
2005	477954000
2006	500973000
2007	522111000
2008	518566000
2009	522250000
2010	513034000
2011	511449000
2012	512000000
2013	513021000
2014	482445000
2015	461057000
2016	446310000
2017	472296000
2018	461236000
2019	457875000
2020	476896000
2021	462439000
2022	439264000