Year	PPG (TDS, current US$)
2006	40152400.4
2007	139697227.7
2008	52220989.2
2009	51319177.3
2010	92686530
2011	201681836.4
2012	254231657
2013	347741193
2014	270230875.3
2015	475434444.2
2016	463813145.7
2017	292988543.5
2018	693513630.7
2019	547768070.7
2020	625220267.1
2021	694765349.7
2022	401963791.3