Year	DOD, current US$
1972	17176.8
1973	36625.9
1974	57502.4
1975	80515.9
1976	154497.2
1977	54255315.8
1978	84688883.8
1979	145528265
1980	174151143
1981	308143631.5
1982	228476454.1
1983	141007252
1984	111912054.7
1985	179247112
1986	175051391.3
1987	268242777.2
1988	230210261.6
1989	260647370.8
1990	373123021.4
1991	361372959.1
1992	248088634.8
1993	289122982.1
1994	608575224.3
1995	783666040.9
1996	742245956.4
1997	515000375.5
1998	668366628.3
1999	750787958.9
2000	548785392.7
2001	481222531
2002	443180543.7
2003	3350098913.7
2004	3297875605.9
2005	3378745383.4
2006	3579951330
2007	3589229005.9
2008	726260488.4
2009	766364617.9
2010	1025460865
2011	1242770806.9
2012	1603193468.1
2013	1587938966.8
2014	1752516556.7
2015	1873679099.7
2016	1790512472.9
2017	1967111748.4
2018	2290338920.5
2019	2268219193.9
2020	1917792690.5
2021	1872198870.9
2022	2315970238.8