Year	TDS, current US$
1993	5412359
1994	65182166.4
1995	92390443.3
1996	17006461.7
1997	24585781.4
1998	35188405.5
1999	46450358.9
2000	65391299
2001	50077435.8
2002	50410805.5
2003	43426949.2
2004	36415833.6
2005	46908151.6
2006	27784703.5
2007	25088881.8
2008	22163000
2009	7246000
2010	5056000
2011	38745200
2012	1151596664
2013	110739121.4
2014	413327514.1
2015	524933106.6
2016	599798020
2017	586971483.4
2018	640618997.6
2019	626080689.2
2020	648574457.6
2021	573481622.5
2022	341657709.8