Year	DOD, current US$
1975	0
1976	1170000
1977	7460000
1978	14872000
1979	22113000
1980	31904000
1981	45327840
1982	56510595.3
1983	71837723
1984	89885771.3
1985	116518812.4
1986	159617747.2
1987	217132727.3
1988	256971896
1989	317124640.8
1990	391668738.9
1991	479105466.3
1992	547771000
1993	680808000
1994	773128000
1995	847047000
1996	862608000
1997	921622000
1998	1015979000
1999	1013673838.6
2000	981869000
2001	1003117000
2002	1096012000
2003	1212237000
2004	1287046000
2005	1204761000
2006	1259015000
2007	1305197000
2008	1288171000
2009	1269404000
2010	1247632540
2011	1165841000
2012	158959000
2013	168047000
2014	196542000
2015	186017000
2016	221594000
2017	252496000
2018	343895000
2019	471165000
2020	572188000
2021	620587000
2022	616385000