Year	DOD, current US$
1981	0
1982	101486.1
1983	1528547
1984	3146474.1
1985	5299876.5
1986	7269477.6
1987	9963249.2
1988	10757525.8
1989	12844599.9
1990	16571143.7
1991	18669973
1992	18444000
1993	19630000
1994	22359000
1995	25939000
1996	29160000
1997	29890000
1998	32731000
1999	39925000
2000	38357000
2001	37879000
2002	40757000
2003	44295000
2004	46788000
2005	43394000
2006	44940000
2007	45786000
2008	44471000
2009	43683000
2010	41723000
2011	40368000
2012	39185000
2013	37848000
2014	34101000
2015	31175000
2016	33611000
2017	36110000
2018	36628000
2019	38543000
2020	47831000
2021	46659000
2022	58017000