Year	PPG (DOD, current US$)
1970	237562629.4
1971	260597611.6
1972	256934045.2
1973	290291921.3
1974	335715133.7
1975	342975095.1
1976	357518488.5
1977	437778487.7
1978	520235734.9
1979	513647754.1
1980	664340367.6
1981	725099397.2
1982	798893722.7
1983	898773588.3
1984	1085482927.2
1985	1289047385.5
1986	1565599021.6
1987	1888960415.1
1988	1893660627.9
1989	2026283890.7
1990	2336889223.9
1991	2463043978.3
1992	2778499398.9
1993	2786247706.1
1994	2545423872.4
1995	2739370160.4
1996	2762762386.2
1997	2701973450.7
1998	2833131127.9
1999	2813644359.3
2000	2671034703.4
2001	2590625034
2002	2443390769.7
2003	2831007477.7
2004	3053008527
2005	3020358478.9
2006	1526338537.2
2007	1790485899.2
2008	1968656675.2
2009	1986443786.7
2010	2245858601.8
2011	2484409700.6
2012	2794058670.4
2013	3137286412.3
2014	3200134923.5
2015	3409356224.3
2016	3479353263.3
2017	3894230359.6
2018	4045902731.4
2019	4452054714.6
2020	5060560489.4
2021	5370834784.7
2022	5410613719.6