Year	DOD, current US$
1970	31677128.3
1971	41560136.9
1972	54794401.3
1973	64940664.6
1974	93672792.1
1975	114173866.3
1976	132736740.7
1977	121167957.1
1978	352031219.7
1979	518281814.7
1980	690311049.9
1981	896194626.4
1982	822771525.2
1983	860471004.6
1984	858893813.3
1985	1046289261.8
1986	1214509528.1
1987	1452885840.3
1988	1500633675.3
1989	1336356739.3
1990	1519134316.1
1991	1394585911.8
1992	1402929747.6
1993	1423302754.7
1994	1442373784.8
1995	1480334579.4
1996	1457523135.8
1997	1436376168.1
1998	1544484248.4
1999	1556572530.1
2000	1562559616.8
2001	1506412144.8
2002	1694711484.5
2003	1965768071.8
2004	1815681373.5
2005	1780842184.5
2006	681637534.1
2007	774285772.6
2008	790244233
2009	962859895.4
2010	1205775926.5
2011	1906207931.8
2012	1525220254.2
2013	1740303419.4
2014	1736964380.8
2015	1972702215.7
2016	2236288966.9
2017	2684259599.1
2018	2804745881.7
2019	3154956371.8
2020	4006394687
2021	4238146344
2022	4636264262