Year	PPG (TDS, current US$)
1993	12893507.7
1994	5932793.2
1995	17210000
1996	6898953.7
1997	40113764.1
1998	204604082.3
1999	79979866.2
2000	82538125.4
2001	50637589.8
2002	69775050.2
2003	95444218.4
2004	161002441.2
2005	104052797
2006	192028683.5
2007	111069118
2008	163770005
2009	216686022.1
2010	255169470.5
2011	641303379.3
2012	193443241.7
2013	357678622.1
2014	356444396.6
2015	600886128.9
2016	408689496.1
2017	609193886.5
2018	466788476.3
2019	508573800.3
2020	933779207
2021	1179427465
2022	495582402.2