Year	DOD, current US$
1985	0
1986	841561.6
1987	3146587.9
1988	10083330.1
1989	16818619.7
1990	23872234.8
1991	29408211.5
1992	33583000
1993	38313000
1994	46858000
1995	53551000
1996	59476000
1997	57426000
1998	61317000
1999	60680000
2000	58898000
2001	60961000
2002	65589000
2003	71429000
2004	76884000
2005	72355000
2006	76421000
2007	10721000
2008	13264000
2009	14405000
2010	14218000
2011	14105000
2012	14048000
2013	14004000
2014	13009000
2015	12186000
2016	11574000
2017	11998000
2018	11460000
2019	11138000
2020	11335000
2021	10692000
2022	9859000