Year	TDS, current US$
1993	10369957.6
1994	99521218
1995	104409428.1
1996	193891348.1
1997	265967429.3
1998	322395002.9
1999	334744862.2
2000	472125857.5
2001	545560615.4
2002	559270412.2
2003	491568910.6
2004	450378416.2
2005	310404290
2006	258952977
2007	204199449.9
2008	175071434.6
2009	172983680.5
2010	199239452.3
2011	259492304.6
2012	306582417.3
2013	443841841.9
2014	1561551255.6
2015	1473962769.1
2016	1516555330.8
2017	1729821694.7
2018	1832614276.3
2019	2160618110
2020	2093041829.3
2021	1651716955.3
2022	1135770132.6