Year	DOD, current US$
1986	108845228.8
1987	126238041.4
1988	119745768.8
1989	107769005
1990	111687346
1991	102327244.4
1992	98362000
1993	99555625.3
1994	282276587
1995	377211705.3
1996	538602308.3
1997	452390018.8
1998	391249305.3
1999	420497249.7
2000	378189171.2
2001	425827879.7
2002	445774372.4
2003	409451603.7
2004	351318816.2
2005	271529856.1
2006	252314959.2
2007	238867429.5
2008	194563825.9
2009	577869347.8
2010	529419194.7
2011	496002751
2012	483810087.4
2013	484779419.8
2014	456072231.6
2015	436216900.1
2016	423184883.3
2017	448306063.5
2018	437810059.6
2019	435302430.9
2020	453384991
2021	1987403655.5
2022	1889779519.1