Year	PPG (DOD, current US$)
1970	1963191433.6
1971	2256903964.5
1972	2498891468.3
1973	2938707750.5
1974	3421164058.1
1975	3302795689.9
1976	4654292884.8
1977	5266271831.3
1978	6977657037.8
1979	8827035027.4
1980	10346063712.9
1981	10722128187.8
1982	16039004262.2
1983	25628655633.2
1984	26904139600.9
1985	37538037698.1
1986	41196296224.1
1987	49483262859.3
1988	47819537776.8
1989	52113884850.7
1990	47154009319.6
1991	47843448833.1
1992	47871495736.2
1993	46139573174.2
1994	50588760023.7
1995	55221009682
1996	62287157338.5
1997	66984541332.5
1998	77240805072.9
1999	90264207975.5
2000	90357824540.8
2001	86641606230.8
2002	90234099462.9
2003	96673899035.5
2004	103055442075.4
2005	59419258383
2006	63381279800.3
2007	71086100933
2008	70923520108.4
2009	75796982671.2
2010	69184226965.5
2011	71538394036.7
2012	70577681118.3
2013	69886340560.7
2014	76272835930
2015	72820719758.1
2016	106602868146.7
2017	128246607700.9
2018	135603275668.4
2019	121319446011.1
2020	118035219208.7
2021	114750440797.3
2022	109251617190