Year	DOD, current US$
1972	538000
1973	326000
1974	1035000
1975	1631000
1976	1203376
1977	47468869.6
1978	78656008
1979	73435838.5
1980	117975814.6
1981	112988973.3
1982	167565937.4
1983	405422157.2
1984	493487929.7
1985	618625978.5
1986	665734316.7
1987	654046046.5
1988	761528782.5
1989	265678203.7
1990	74676180.8
1991	49930541.2
1992	54471506.2
1993	45071172.8
1994	71327988.3
1995	149860776.7
1996	85099838.4
1997	102308856
1998	126686918
1999	138179273
2000	109438915.2
2001	112382243.8
2002	126136965.6
2003	117794060
2004	114175647.5
2005	84004034.3
2006	162147012.5
2007	183097666.4
2008	235785984.5
2009	451986299
2010	333317712.7
2011	770008532.5
2012	587858590.3
2013	1025701057.2
2014	919033285.3
2015	311100570.1
2016	243205647.9
2017	115528995.1
2018	124203342.5
2019	48612052
2020	54337304.9
2021	56640658.9
2022	54313474.8