Year	PPG (DOD, current US$)
1989	6676170079.9
1990	7603459882.7
1991	7702671839.4
1992	8130429817.5
1993	8691068178.9
1994	9122081832.6
1995	9544234897.9
1996	9377299505.7
1997	8681585483.1
1998	9099557192.7
1999	8713044776.2
2000	8084844148
2001	6982714292.1
2002	7540350651.9
2003	7634470053.7
2004	8180879840
2005	9532119023.4
2006	7361981528.7
2007	9240475948.2
2008	12784883279.6
2009	13739506332.2
2010	15662044702.2
2011	18239311146.9
2012	19946751680.4
2013	25154136364.4
2014	32502094188.5
2015	32851855559.2
2016	41029938957.4
2017	41908188562.3
2018	47078476409.3
2019	47596931594.6
2020	47365737213.9
2021	46712471483.5
2022	47817457373.7