Year	PPG (DOD, current US$)
1970	61400031.7
1971	111055280.8
1972	119385359.4
1973	141780896.4
1974	187443208.4
1975	197427904.9
1976	203681599.7
1977	246191791.1
1978	299634021.1
1979	356775892.4
1980	418537374.6
1981	511033008.6
1982	557781025.6
1983	538522820.4
1984	508217375.3
1985	583294240.7
1986	752853999.1
1987	887452152.3
1988	871661474.4
1989	890134395.8
1990	939818500
1991	965196741.4
1992	1163095339.9
1993	1320072326.9
1994	1395555588.4
1995	1057824258.4
1996	1046732412.3
1997	1023457099.1
1998	1093404428.2
1999	1065979298.6
2000	1005769486.6
2001	1063725494.4
2002	1204988239.9
2003	1363984760.7
2004	1438981173.3
2005	1566392389.6
2006	1455640481
2007	481896710.7
2008	544762725.9
2009	604650365.2
2010	660787286.1
2011	741417733.1
2012	840255119.2
2013	904876085.5
2014	916406270.4
2015	953353704.7
2016	982255186
2017	1048364068
2018	1067638385.8
2019	1166411030.2
2020	1273294493.8
2021	1310440303
2022	1277744625.5