Year	DOD, current US$
1981	163469000
1982	163469000
1983	163469000
1984	163469000
1985	163469000
1986	163469000
1987	163469000
1988	163469000
1989	204411603.2
1990	208523153.1
1991	1639083999
1992	1630553706.1
1993	1636561345.1
1994	1699336354.8
1995	1782292392.5
1996	1846998619.6
1997	1865737649.5
1998	1934401297.3
1999	1972787895.9
2000	2014851808.2
2001	2079577683.5
2002	2274087347.9
2003	2555199087.2
2004	2769175513.5
2005	2831336467
2006	3010106213.6
2007	2224116696.1
2008	2543565372.1
2009	2942041610.5
2010	3502178249.8
2011	4029741145.2
2012	5777347881
2013	6527809808
2014	7111373726.4
2015	8002718887.8
2016	8223944078.6
2017	9536389729.4
2018	11065722529.2
2019	11834003882.4
2020	13690990103.6
2021	15260673127.1
2022	17526288462.9