Year	PPG (DOD, current US$)
1992	59702042.9
1993	939492376.2
1994	952426534.1
1995	1417205093.1
1996	1993607819
1997	2120537742.2
1998	2668839179.6
1999	3575455212.6
2000	3765629046.8
2001	3896923990.1
2002	4004694773.6
2003	4147857718.8
2004	4107144547.1
2005	3625891140.9
2006	3318304045.4
2007	3184603808.7
2008	3188485002.4
2009	3268818124.3
2010	3423121328.6
2011	3753908924.8
2012	3942609309
2013	4212555704.1
2014	4651162507.3
2015	5545892331.9
2016	6229153864.6
2017	7199691330
2018	9282499032
2019	13342795943.9
2020	18730623682.9
2021	21924085962.5
2022	24895182400.7