Year	TDS, current US$
1992	11588228.7
1993	202188520.6
1994	328359071.9
1995	1136804859.4
1996	1257024205.4
1997	1356232377.8
1998	2015529771.9
1999	2855633805.5
2000	3754862756.6
2001	2475037023.8
2002	3545104248.6
2003	3889891438.2
2004	4428122166.3
2005	5890255685.1
2006	9438502877.2
2007	12031171696.1
2008	18498447262.1
2009	22972792053.6
2010	27016692287.2
2011	26868015575.1
2012	29343119868.3
2013	37851380457
2014	20923490310.9
2015	29715826925
2016	12395892762.3
2017	13224535511.9
2018	14766359318
2019	13953232908.6
2020	17399904522.6
2021	14493591331.5
2022	12333489737.4