Year	PPG (DOD, current US$)
1992	276699674
1993	343205066.5
1994	405648861.2
1995	472063077.8
1996	485750714.2
1997	533327114.7
1998	650039275.1
1999	841064136.8
2000	833353538.1
2001	823726697.7
2002	949001651
2003	1137497398.1
2004	1306636603.2
2005	1266678157
2006	1360987608.5
2007	1578104179
2008	1659204568.1
2009	1819333677.9
2010	1782406780.6
2011	1828635457.7
2012	3425404307.3
2013	3833786329.2
2014	3872456880.8
2015	4006137755.4
2016	5137015895.5
2017	7511116189.9
2018	8006013643.1
2019	8348406780.8
2020	11189286261.9
2021	11580057559.9
2022	10433255973.9