Year	TDS, current US$
1999	135059933.6
2000	239879792.8
2001	239693146.9
2002	61807540.8
2003	62869678.6
2004	64410329.2
2005	79482585.5
2006	98223132
2007	111599060.3
2008	125125226.6
2009	125441065.1
2010	125787185
2011	150966796
2012	151260352.7
2013	169585137.1
2014	191845036.3
2015	282686202.6
2016	230485329
2017	251333893.9
2018	299975071.8
2019	345145875.7
2020	329791419.9
2021	336090843.2
2022	331866318.1