Year	PPG (TDS, current US$)
1993	10369957.6
1994	97721218
1995	102369428.1
1996	181643348.1
1997	244182429.3
1998	292987333.3
1999	310151999
2000	448611787.3
2001	508253556
2002	511199854.2
2003	409260235.2
2004	372123896.2
2005	226433191.3
2006	220276989.3
2007	194245986.2
2008	170387025.6
2009	171311313.6
2010	184731369.5
2011	255603604.9
2012	300765734.6
2013	437191479.5
2014	1546680857.6
2015	1455707751.2
2016	1497147912.9
2017	1705069329.8
2018	1800624350.9
2019	2147374641.2
2020	2078660287
2021	1627225699.3
2022	1103740912.8