Year	PPG (DOD, current US$)
1970	49274000
1971	48837000
1972	53696000
1973	51307000
1974	116681300
1975	134454550
1976	166958414.7
1977	214776253.1
1978	255438150.7
1979	291094724.7
1980	322481650.6
1981	417486888.4
1982	468609492.3
1983	499216571.5
1984	542101075.5
1985	587455255.1
1986	639214657.4
1987	734424096.4
1988	742077174.7
1989	741043985
1990	800542899.4
1991	667194088.4
1992	682608146.5
1993	689742594.2
1994	674399528.7
1995	782085358.6
1996	863084403.4
1997	921503579.6
1998	1000866066.7
1999	1058681316.4
2000	1055928995.5
2001	1043602215.4
2002	1077896239.2
2003	1210141672.6
2004	1225006092.3
2005	1277911305.4
2006	1346140839.5
2007	1524554791.3
2008	1838106507.3
2009	1157582929
2010	824036930.8
2011	627636589.1
2012	994297152.3
2013	1388077856.9
2014	1773020870.3
2015	1913774725.9
2016	1946623589.8
2017	1954370459.7
2018	2018821880.2
2019	2012048564.4
2020	2026545289.2
2021	2097532557.9
2022	2109625499