Year	PPG (DOD, current US$)
1974	0
1975	7903500.5
1976	16065701.6
1977	24632862.3
1978	45971714.4
1979	64387815.6
1980	131001703.7
1981	141645522.8
1982	152086915.7
1983	159156754.6
1984	200529610.1
1985	276038842.2
1986	349218030.7
1987	449201751.6
1988	528151745.8
1989	555205428.7
1990	635705026.6
1991	681702271.4
1992	695538804.3
1993	715369011.4
1994	761770194.3
1995	796071048.3
1996	856800081.7
1997	839912540.2
1998	880406704.7
1999	840641984.8
2000	825114444.8
2001	782769248
2002	843235175.2
2003	922406296.7
2004	979602501.1
2005	891782552.3
2006	914043893.7
2007	938767620.5
2008	945201927.5
2009	956956314.1
2010	979057515.1
2011	225989477.7
2012	222828234.1
2013	237461666.6
2014	272494399.2
2015	315978122.3
2016	323460660.2
2017	396621475.6
2018	481157164.7
2019	566446566.6
2020	782473850.4
2021	929725431.8
2022	924547122