Year	PPG (DOD, current US$)
1993	865064133.6
1994	1123830183.9
1995	1301087086.2
1996	728852360.4
1997	681412112.8
1998	796385081.9
1999	709096042.3
2000	688889604.7
2001	664306430.1
2002	748625955.7
2003	709994979.8
2004	744358801.3
2005	785547738.5
2006	841892794.9
2007	3457260367.9
2008	5438555605.3
2009	6241990365.6
2010	8014341212.3
2011	10615610548.4
2012	12559064333.2
2013	14622199930
2014	15635829771.9
2015	15837014947.9
2016	18141781860.3
2017	20988207617.8
2018	19987666289.8
2019	19511439288.2
2020	20270019163.9
2021	19979290963.3
2022	19208020914.7