Year	TDS, current US$
1994	38269007.2
1995	50099181.7
1996	39627924.1
1997	456438050.9
1998	432198755.6
1999	12262633.8
2000	12614467.9
2001	6256012.2
2002	5722051.1
2003	4839361.2
2004	7249993.3
2005	9543104.4
2006	13492440.1
2007	11909257
2008	2783193.9
2009	6437648.1
2010	8798697.2
2011	3011381.8
2012	820422.2
2013	3527301.9
2014	1357031.2
2015	1252216.5
2016	2096208.3
2017	1324335.2
2018	2390258.8
2019	24509679.8
2020	19767623
2021	49731590.8
2022	145628697.9