Year	PPG (DOD, current US$)
1984	1241054252.3
1985	2659889842.3
1986	3154052120
1987	3736651188.3
1988	3730481873
1989	3819695539.8
1990	4163487321.6
1991	4289540672.4
1992	4653180856.1
1993	4793202321.3
1994	5171078724.6
1995	5160844930.2
1996	5309869572.9
1997	5163097194.6
1998	5982884864.3
1999	4825989417.4
2000	4693058527.3
2001	2544566219.6
2002	2844492627.1
2003	3122847004.1
2004	3370377432.9
2005	3367916754
2006	2085429005.4
2007	2423709620
2008	2847761798.6
2009	3323349798.3
2010	3262747997.4
2011	3893723524.6
2012	4537968275.7
2013	7277474327.5
2014	8463633929.8
2015	8961082514.5
2016	9258766324.3
2017	10088427671.7
2018	10215987199.8
2019	10384286283.1
2020	10554488227.2
2021	10304871556.4
2022	9630159876.5