Year	DOD, current US$
1973	0
1974	109000
1975	113904.7
1976	109000
1977	46119000
1978	45149000
1979	163280000
1980	243631161.6
1981	92143712.2
1982	102491440.4
1983	178988356.8
1984	114091395.3
1985	118314908.9
1986	165713665.3
1987	142104717.2
1988	159630608.7
1989	123584294.3
1990	222732273.3
1991	262566963.9
1992	336329567.1
1993	396453667.4
1994	474312623.9
1995	543669816.1
1996	520754350.8
1997	164438367.1
1998	229581320
1999	323575434.4
2000	301426884.9
2001	239191271
2002	231442182
2003	156387554.2
2004	75778326.4
2005	98839962.7
2006	220624725.3
2007	799178122.2
2008	612868971.9
2009	648667678.4
2010	424509165.1
2011	430380920.4
2012	468318773
2013	345042545.6
2014	285703768.2
2015	203961434
2016	204441329.7
2017	176989318.1
2018	270663965
2019	281291242.8
2020	273020856.6
2021	229982092.3
2022	179617090.1