Year	PPG (DOD, current US$)
1981	25579000
1982	42766000
1983	52564000
1984	54570000
1985	61267000
1986	65794000
1987	65197000
1988	493237000
1989	19185383025.4
1990	21378096806.3
1991	21360489003.2
1992	21705799222.6
1993	21655723398.8
1994	21909884125.8
1995	21833945554.2
1996	22017237691.5
1997	19036691511.4
1998	19928031614.4
1999	20532481793.6
2000	11639842786.4
2001	11487881697.1
2002	12218370035.4
2003	14361148270.9
2004	15591900897.5
2005	16281590959.5
2006	16057033391.3
2007	18501921674.2
2008	22098606301.2
2009	27381286572.1
2010	32804660643.7
2011	37062217298.5
2012	40484592494.9
2013	43548778547.7
2014	46372582487.8
2015	49206478548
2016	51486963017
2017	56219648492.8
2018	56619037795.8
2019	55824332547.1
2020	55651497425.4
2021	51374589257.9
2022	46465329198.6