Year	PPG (DOD, current US$)
2009	358529325
2010	318968000
2011	299378000
2012	294707716
2013	300175062.7
2014	272995586
2015	265104457.3
2016	274180865.8
2017	313387828.3
2018	304635715
2019	319749435.4
2020	517440922
2021	596240725.5
2022	642325057.7