Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	3256904
1975	5677895
1976	11141949.7
1977	11649068.9
1978	20412113.7
1979	17873533.4
1980	23540313.6
1981	37686947.8
1982	37713909.4
1983	39964889.1
1984	35075374.2
1985	39009638.8
1986	41788969.6
1987	51942817.3
1988	50283426.2
1989	35327249.1
1990	36656257.5
1991	33300411.7
1992	30377875
1993	28788443
1994	41373607.5
1995	34899812.5
1996	27640467.7
1997	18618300.2
1998	17563766.7
1999	36252105.9
2000	33621592.6
2001	42483757.6
2002	45958573.6
2003	50233215.9
2004	58590408.3
2005	49211195.4
2006	56111111.2
2007	64109162.3
2008	77364681.6
2009	162063184.7
2010	172555835.3
2011	172022491.4
2012	182908929.8
2013	180985416.2
2014	177256948.5
2015	174912456.5
2016	184643967.2
2017	235403692.2
2018	279084580.9
2019	296484719.1
2020	355383363.5
2021	518257001.8
2022	482794186.3