Year	PPG (DOD, current US$)
1970	1948977.4
1971	1998751.4
1972	3384478.7
1973	7914015.3
1974	12310096.7
1975	24074478.2
1976	47672064.8
1977	78490587.8
1978	109802922
1979	127485921.7
1980	150269346.7
1981	164133434.7
1982	185513019.1
1983	213308825.4
1984	242601140.3
1985	328551706.6
1986	415594601.6
1987	558859157.3
1988	608334320.4
1989	577360917.9
1990	664490874.4
1991	747084402.4
1992	789909175.8
1993	837648329.9
1994	907657059.5
1995	972429830.8
1996	986752643.1
1997	995660649
1998	1121975246.5
1999	1163328201.9
2000	1147742237.4
2001	1162947671.5
2002	1304721406.7
2003	1415755026
2004	1541863562.2
2005	1414509476.4
2006	389507917.6
2007	565899641.2
2008	649674996.9
2009	715542829
2010	758993086
2011	971491451.7
2012	1045210325.1
2013	1552712671.7
2014	1755437489.4
2015	2057333327.7
2016	2353279769.2
2017	2833424074.9
2018	3249494194.5
2019	3929132582.3
2020	5122179088.7
2021	5794068187
2022	6144541333.6