Year	PPG (TDS, current US$)
1994	1483784193.3
1995	1765460839
1996	2234915596.5
1997	2149536340.8
1998	2656440911.7
1999	1184789957.1
2000	2322431104
2001	2664814016.8
2002	1910890941.1
2003	2333160478.8
2004	2000425781.3
2005	4082576204.7
2006	4341995255.1
2007	2725662976.9
2008	3162700328.8
2009	3184898918.5
2010	3240623857.8
2011	3775811239
2012	5982944577.7
2013	8421865499.2
2014	4430389117
2015	15888404383.3
2016	5692088405.8
2017	5532921544.8
2018	15701253327.7
2019	7673585461.3
2020	11114482403.5
2021	11331894505.9
2022	13296635748