Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	416000
1975	0
1976	0
1977	7900000
1978	8500000
1979	8600000
1980	0
1981	0
1982	14900000
1983	14100000
1984	13200000
1985	14490000
1986	7870000
1987	6738635
1988	3995383.3
1989	780611
1990	0
1999	9549924.6
2000	9065647.8
2001	8744327.3
2002	9459540.2
2003	10339379.3
2004	10805843.6
2005	9944860.7
2006	10467615.2
2007	10995379.5
2008	10717198.7
2009	105183293.6
2010	103327461.2
2011	103008091.6
2012	103118790.1
2013	103325392.6
2014	97206124.4
2015	92974207.4
2016	90196595.1
2017	95550862.2
2018	93313769.5
2019	92779299.7
2020	96633372.5
2021	225902843
2022	214806169.3