Year	PPG (DOD, current US$)
1992	38504010
1993	190246889.3
1994	326403777.7
1995	449533134.3
1996	554491372.3
1997	801381629
1998	801424027.2
1999	722527291.2
2000	856004779
2001	793615492.9
2002	825908786.1
2003	848318775.8
2004	754269435.5
2005	697803361.4
2006	743840768.1
2007	782990011.7
2008	804774617.4
2009	808534719.9
2010	838941268.8
2011	864843806.9
2012	964612996.2
2013	996911522
2014	1026823937.3
2015	1071675442.7
2016	1211736499.4
2017	1441735823.2
2018	1449644230.1
2019	1464082277.6
2020	1760806318.2
2021	1819283611.5
2022	2260092692.6