Year	DOD, current US$
1971	1203840
1972	1793400
1973	727920
1974	1436281.6
1975	2094153.6
1976	3503995.2
1977	116368506.6
1978	209506730
1979	289247336
1980	485349003.9
1981	528297756
1982	608134701.5
1983	577011379.8
1984	675852205.9
1985	691528000
1986	763572000
1987	1321044000
1988	330845303.9
1989	802719182.7
1990	1036847829.7
1991	1992014478.2
1992	777352014.9
1993	751108215.6
1994	674247844
1995	784853954.1
1996	592150487.5
1997	743257750.5
1998	593224917.9
1999	870896684.1
2000	4396209210.4
2001	4742623466.7
2002	5325342539
2003	4950372864.4
2004	5407520686.2
2005	5742051015.4
2006	6600356485
2007	7443801000.8
2008	8596330611.7
2009	8518031520.8
2010	9048795123.3
2011	9594257249.9
2012	9736553552.6
2013	10872973320.7
2014	10887322389.9
2015	10306680221.8
2016	10469574248.7
2017	10932503396.4
2018	11510572560.6
2019	12297386449.6
2020	14083542671.8
2021	15606348893
2022	15782035000.7