Year	DOD, current US$
1970	31677128.3
1971	41579704.9
1972	54878131.9
1973	65143781.3
1974	94027452.3
1975	114513117.9
1976	133362568.9
1977	173254567.7
1978	609493090.1
1979	631712155.6
1980	865702257.1
1981	1024767756.1
1982	960416774.7
1983	972233736.6
1984	978440332.1
1985	1223458486.1
1986	1443389299.3
1987	1651886700.4
1988	1700418784
1989	1528025986.6
1990	1757574146.9
1991	1526204768.1
1992	1548857816.8
1993	1574772623.6
1994	1542542790.1
1995	1603602191.8
1996	1554793033
1997	1588957267.9
1998	1686927568.3
1999	1716840769.4
2000	1721127519.8
2001	1633337031.5
2002	1847978005.9
2003	2149675773.7
2004	1975337918.6
2005	1961937154.7
2006	760592818.3
2007	1090578795.1
2008	948320310.3
2009	1248816310.1
2010	1533781918.5
2011	2213013664.6
2012	1783792450.5
2013	1982335397.2
2014	2002738488.1
2015	2228591634.7
2016	2511623278.5
2017	3035714827.7
2018	3176803383.2
2019	3584577814.9
2020	4552606198.5
2021	4967317874.8
2022	5415911091.4