Year	DOD, current US$
1987	17307652
1988	41043850
1989	56114632
1990	73764921
1991	117795915
1992	174460000
1993	189358975
1994	212028607.3
1995	201843046.2
1996	181021912.1
1997	189040713.3
1998	207318342.1
1999	348971713.4
2000	361300924.7
2001	332691689.8
2002	348034477.1
2003	370880363.6
2004	366320979.7
2005	312492814.3
2006	173484483.4
2007	187382973
2008	182642222.3
2009	341722018.6
2010	357311686.7
2011	354715007.8
2012	352855375.8
2013	350562416.9
2014	326743202.2
2015	398591543.4
2016	354828301.9
2017	343071088.5
2018	303440123
2019	375009852.6
2020	688503057
2021	947337482.7
2022	1026788554.2