Year	DOD, current US$
1983	3770000
1984	4710000
1985	10480000
1986	11670000
1987	11384746.5
1988	7787565.9
1989	3312997.4
1990	421107.4
1991	0
1999	24560043.1
2000	23314603.8
2001	22488247.1
2002	24327597.6
2003	26590326.1
2004	27789957
2005	25575721.8
2006	26920117.2
2007	28277396.5
2008	27561984.1
2009	35420787.6
2010	34795830.5
2011	34688281.9
2012	32017507
2013	28462657.3
2014	25924917.1
2015	24796263
2016	24055472.5
2017	25483458
2018	24886824.3
2019	24744281
2020	25772163.9
2021	60861338
2022	57871741.3