Year	TDS, current US$
1999	171343623.1
2000	319516839.3
2001	313327603.1
2002	178896811.8
2003	218020575.9
2004	251873402.9
2005	310236216.5
2006	389752692.5
2007	428041229
2008	477180617.6
2009	466710815.7
2010	570387024.2
2011	1472876326.4
2012	1158688373.2
2013	1388360443.1
2014	1497869359.4
2015	1930997980.3
2016	1230874785.6
2017	1352041734
2018	1388614045.4
2019	1093352463.5
2020	829681564.9
2021	1491010383.2
2022	1417688853