Year	DOD, current US$
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	11346606.1
1978	21727931.6
1979	28424029.4
1980	22253067.7
1981	14786947.8
1982	13937794.9
1983	12847123.5
1984	10972470.7
1985	9949488.4
1986	19600156.8
1987	19237029.6
1988	15330214.4
1989	11506784.9
1990	10827865.2
1991	5721720.2
1992	5500000
1993	4807459.8
1994	20437899.4
1995	18581125.1
1996	37956393
1997	33507273.5
1998	34160216.6
1999	42348795.2
2000	53979561.3
2001	50928983.3
2002	46394979.5
2003	42546293.1
2004	44144309.3
2005	40331140.8
2006	50095015.6
2007	52620744.8
2008	53151637.1
2009	167577675.4
2010	149648797.7
2011	154753144.9
2012	152389681.4
2013	147853242.7
2014	134017362.5
2015	122821458.3
2016	115577578.7
2017	120028881.4
2018	114865475.6
2019	157171955.8
2020	162308174.3
2021	374192609.3
2022	528289080.6