Year	DOD, current US$
1970	880231.4
1971	1224400.1
1972	2015652.1
1973	2916241.1
1974	4072118.8
1975	5279608
1976	4982549.5
1977	32439646.8
1978	62162265.5
1979	97807042.5
1980	73410200.9
1981	84467984.8
1982	78293519.5
1983	83298735.1
1984	88553359.7
1985	145828223.8
1986	171316666.9
1987	210013522
1988	151430405.2
1989	70789213.1
1990	55534709.2
1991	61864235.7
1992	27530400.5
1993	33104115.8
1994	30942562
1995	47004468.9
1996	46883209.3
1997	136149251.1
1998	85947239.9
1999	122058757.7
2000	66301000
2001	80095000
2002	75055000
2003	35051000
2004	25445000
2005	40884022.5
2006	40906850.8
2007	116910542.9
2008	89346923.3
2009	211105922.6
2010	338628273.7
2011	494779658.8
2012	163552874.7
2013	177277071.1
2014	59436509.9
2015	66202354.1
2016	53464899.5
2017	61755656.6
2018	45624855.9
2019	50000000
2020	282711000
2021	336324000
2022	373092000