Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	5656728
1975	14200591
1976	39374418.7
1977	41166521.9
1978	61578974.9
1979	65763748.3
1980	58755769.5
1981	43912087.8
1982	38330774.4
1983	35176473.1
1984	30088526.2
1985	27403382.2
1986	22181508.8
1987	16056393.9
1988	100434973.8
1989	113242481.4
1990	121078324.6
1991	120562366.7
1992	62781125
1993	16294541.7
1994	43664112.1
1995	51150121.3
1996	72056177
1997	92982211.7
1998	156201219.8
1999	229367825.8
2000	267051729.9
2001	274498234.1
2002	340237010
2003	383479225.6
2004	371406379.3
2005	306983756
2006	44774855.4
2007	55407673.6
2008	62169301.9
2009	452571505.1
2010	444586426.5
2011	441991737.5
2012	440023024.6
2013	437231729.8
2014	406346345.6
2015	357776235
2016	318199294.5
2017	602413053
2018	714177033.9
2019	760370154.8
2020	1268973016.6
2021	1777204255.4
2022	1873561856.9