Year	PPG (TDS, current US$)
1992	4683683.6
1993	29637471.5
1994	132058314
1995	227552741.4
1996	280004523.8
1997	474655265.8
1998	330848833.5
1999	471928904.4
2000	631297955.5
2001	644514721.3
2002	634741672.7
2003	719350564.3
2004	677547945.5
2005	627042031.9
2006	718144761.9
2007	635959629.4
2008	579683805.9
2009	468297672.8
2010	432833337.5
2011	363084148.1
2012	368174178.5
2013	354671497.8
2014	371383643.9
2015	358181996.9
2016	432027806.9
2017	458897245.9
2018	525929122.3
2019	685896847.2
2020	823368747.6
2021	1090049955.6
2022	1254234620.7