Year	PPG (TDS, current US$)
1981	1722425516.7
1982	1843189898.6
1983	1911996018.3
1984	1898340871.9
1985	1886472568.8
1986	2521611452.9
1987	3080882861
1988	3896257883.2
1989	4875772041.7
1990	5852725870.6
1991	7076217365.8
1992	7922062657
1993	9346686673.9
1994	10162721634.6
1995	13694670786.4
1996	14892608217.3
1997	16819055602.8
1998	12793512982
1999	14503888875.4
2000	14377689954.3
2001	13277920664.4
2002	13016751292.7
2003	13981476098.4
2004	7993278637.5
2005	8898308089.3
2006	8880123767.1
2007	8642068085
2008	9426151820.6
2009	8680701070.1
2010	13797338279.1
2011	14137266039.9
2012	10445591709.5
2013	12177132610.4
2014	14708321177.8
2015	34621822307
2016	18509183420.5
2017	18795255906.1
2018	21426348254.9
2019	29302392971.8
2020	33817862120.5
2021	50360325022.6
2022	72863228832.6