Year	TDS, current US$
1999	2922419.6
2000	3169554.6
2001	1571907.2
2002	1369369.9
2003	1215954.6
2004	1821658.3
2005	2478478.5
2006	3315808.6
2007	2898898.1
2008	717696.2
2009	199641.2
2010	349157.4
2011	517538.2
2012	576858.7
2013	5180651.5
2014	15823926.1
2015	19517788.6
2016	56020748.6
2017	48607956.5
2018	8663272.3
2019	38235321.5
2020	77921211.5
2021	62752121.9
2022	16400291.2