Year	TDS, current US$
1993	78313880.3
1994	175089694
1995	294274279.1
1996	991667895.5
1997	1076918417
1998	1631929250.5
1999	5262465562.9
2000	3903193305.7
2001	4484500409.4
2002	1835547749.3
2003	2134418149.7
2004	1955023490.8
2005	3669255496.1
2006	339663185.7
2007	296955918.8
2008	73519012.8
2009	20450744.7
2010	27951187.5
2011	9566382
2012	2606269.7
2013	11205326.7
2014	4309675.8
2015	3976312.2
2016	6661160.4
2017	4205977.7
2018	7591337.4
2019	77859234.9
2020	24770127.1
2021	13641641.8
2022	282837107.6