Year	TDS, current US$
1995	1140962.6
1996	4936069.1
1997	8146452.9
1998	9810858
1999	35619265.1
2000	74223323.6
2001	53980076.5
2002	58486971.1
2003	85399742.8
2004	67515142.6
2005	57407008.7
2006	48311535
2007	46228839
2008	24371021.8
2009	19470753
2010	15495820.6
2011	17512032.9
2012	13131474.9
2013	10082727.4
2014	4028543.9
2015	1908406
2016	180707.6
2017	113712.6
2018	205324.4
2019	2108448.7
2020	670065.3
2021	400303
2022	8294492.5