Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	3193207.9
1980	5703633.5
1981	5240147.9
1982	4966201.2
1983	15213368.9
1984	14212905.4
1985	14130015.4
1986	10497002.4
1987	6113005.9
1988	1566394.8
1989	358765.7
1990	42679.8
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	8827984.3
2000	8380317.1
2001	8083287.4
2002	8744432.6
2003	9557759
2004	9988960.3
2005	9193064.6
2006	9676300.8
2007	10164168
2008	9907016.6
2009	75695394.3
2010	74359840.3
2011	74130005.3
2012	74209669.7
2013	74358351.6
2014	69955550.7
2015	66910001
2016	64911059
2017	68764321.4
2018	67154370.9
2019	66769733.3
2020	182604437.5
2021	282750145.9
2022	268861050.6