Year	DOD, current US$
1970	266548111.5
1971	366353853.5
1972	412832810.3
1973	615195403.9
1974	747548278.3
1975	1031465061.7
1976	1276634484.7
1977	2078562130.7
1978	3075956025.4
1979	3886673722.2
1980	6338545129.8
1981	6544617215.6
1982	7319040297.9
1983	7300681061.3
1984	7268416282.5
1985	8254663759.1
1986	9964980934.7
1987	11568073252.5
1988	10947167533.2
1989	11554554213.3
1990	13223074515.7
1991	13867884405.2
1992	13859640128.6
1993	13727302379.9
1994	13852330480.3
1995	14562005654.8
1996	13215558369.7
1997	12497623959.8
1998	12632239637.8
1999	11294620824.5
2000	10545721458.9
2001	9962980807.6
2002	10360133989.2
2003	10839865525.6
2004	12100298224.7
2005	10875213021.3
2006	11615188445.6
2007	12248638269.7
2008	11377061413.8
2009	13574239907.4
2010	10431051309.5
2011	11229100599.5
2012	7541193750.9
2013	8437357011.7
2014	8313649862.7
2015	9879423119.1
2016	9693140788.4
2017	11683361806.1
2018	14245692180.5
2019	17026910639.1
2020	21142374717.5
2021	24060038390.2
2022	26970861867.5