Year	PPG (DOD, current US$)
1970	1397220268.9
1971	1558205470.3
1972	1811726928.6
1973	2106835665.2
1974	2312017082.7
1975	2555674960.3
1976	2657797359.3
1977	2879469210.6
1978	2996643740.9
1979	3571966897.1
1980	4283607164.5
1981	5285377457.4
1982	6203980135.4
1983	7101494606.6
1984	7969130041
1985	9802264713.7
1986	12401354987.2
1987	14042283563.2
1988	14043848825.8
1989	14178388603.2
1990	14859805244.2
1991	14651153215.5
1992	13759851513.6
1993	13528977691.7
1994	14637494449.2
1995	14249064679.9
1996	15161176223.1
1997	15772746233.6
1998	17087220455.2
1999	20484869361.2
2000	21050131722
2001	21999603692.5
2002	20891296811.6
2003	22941091658.3
2004	23921919034.5
2005	22496235367.8
2006	24933939012.2
2007	27658024422.1
2008	29206712361.1
2009	35547219160.7
2010	37057569573.3
2011	41592552980.3
2012	46180015908.4
2013	53593023874
2014	61614723366.8
2015	69098119174.8
2016	73346387704.3
2017	74511231492.8
2018	74927363825.6
2019	75126476099
2020	85554127691.2
2021	93930262336
2022	97610136306.3