Year	DOD, current US$
1970	144131808.1
1971	162143126.8
1972	184900809.6
1973	208205811.2
1974	257137393
1975	310687008.8
1976	375035112.8
1977	555080513.4
1978	723510117.6
1979	912112477.7
1980	1056127261.9
1981	1249022955.2
1982	1396514339
1983	1510708330.3
1984	1563667838.5
1985	1907737935.7
1986	2173394455.8
1987	2610091518.5
1988	2433415137.9
1989	2459604124.7
1990	2176252017
1991	2129183915.2
1992	1690940097.4
1993	1649950801.5
1994	2153330722.2
1995	2617585263.3
1996	2604084334
1997	2496673813.2
1998	2826034207.6
1999	3433334794.8
2000	3106035613.7
2001	2867285123.1
2002	3373052129.5
2003	6798833897.6
2004	7376893644.3
2005	8302216058.4
2006	9565284908.6
2007	10714075892.8
2008	12542605510.3
2009	14051476381.7
2010	16123448799.3
2011	16051060833.8
2012	16604841152.8
2013	16493944683
2014	17269695329.7
2015	17297632892.1
2016	17231065429
2017	17047059548.8
2018	17183302979.9
2019	17639968576.2
2020	20727223299.6
2021	22193192181.7
2022	24514706328.8