Year	DOD, current US$
1978	0
1979	1200000
1980	2376000
1981	19360000
1982	35035000
1983	44425000
1984	46796000
1985	54057000
1986	59294000
1987	59697000
1988	59697000
1989	59101000
1990	58505000
1991	57909000
1992	114622000
1993	113429000
1994	236689000
1995	286298000
1996	466437000
1997	623016000
1998	904838000
1999	1043665000
2000	1168861119
2001	1398701000
2002	1769722000
2003	2526012000
2004	3081693000
2005	3228334000
2006	3702796000
2007	4586742000
2008	5109795000
2009	6303805000
2010	7742510000
2011	8775763000
2012	10071682000
2013	11407627000
2014	12090385000
2015	12638337000
2016	13109902000
2017	14683316000
2018	14967784000
2019	15326640000
2020	16378462000
2021	16007662000
2022	15108866000