Year	DOD, current US$
1970	242870748.6
1971	295916932.6
1972	354332865.6
1973	498244781.6
1974	675465603.5
1975	871394018.7
1976	962314691.1
1977	1355890701.5
1978	1525327856.3
1979	1615169381.3
1980	2273188106.6
1981	2561916287.3
1982	3037458636.8
1983	4202530072.2
1984	4912584153.2
1985	5880204932.9
1986	6895951891.5
1987	8091567355.3
1988	8811780896
1989	9875552769.9
1990	10976880083.2
1991	11128234987.6
1992	11407262916.9
1993	11657293343.5
1994	12406061120.5
1995	10591398107.2
1996	6174328565
1997	6321398617.4
1998	6379424177.2
1999	6409337546.3
2000	6822420902
2001	6387014039
2002	6440411044
2003	6854198401.8
2004	5096750020.7
2005	5011294159
2006	4190303477.1
2007	4113792029.7
2008	4718042360.2
2009	5923375456.1
2010	7017467446.6
2011	7938152810.7
2012	9154589728.9
2013	10255435645
2014	10965052288.8
2015	11513227717.4
2016	12197682282.7
2017	12727982690.8
2018	13003298421.6
2019	13610346037.4
2020	13760303958.2
2021	14582931632.9
2022	14867213389.3