Year	TDS, current US$
1993	16156213.7
1994	155956073.1
1995	31608056.5
1996	59177956.6
1997	119846763.4
1998	158133278.9
1999	158631099.2
2000	138798044.2
2001	196090881.5
2002	239041352.7
2003	243881567.7
2004	281807139.1
2005	274566330.1
2006	564094774.9
2007	705924116.2
2008	457473427.7
2009	535296797.1
2010	623959637.6
2011	941339688.2
2012	680592604.7
2013	907584833.3
2014	978775107.3
2015	1041199828.6
2016	870327901.3
2017	876694124.1
2018	1290525945.3
2019	721883617.8
2020	1158246751.4
2021	1501535714.6
2022	941759873.9