Year	TDS, current US$
1995	1725099
1996	3176505.7
1997	3277846.4
1998	4010634.3
1999	20695980.9
2000	23673116.3
2001	13929092.3
2002	21814093.4
2003	29537651
2004	38689934.3
2005	39356421
2006	37294498.2
2007	29030644.6
2008	28860655.1
2009	27438729
2010	30399879.6
2011	35310347.5
2012	166067242.8
2013	282164716.1
2014	152502651.1
2015	27385066.4
2016	38230779.6
2017	54239501.4
2018	72380379.2
2019	78359404.3
2020	81080687.8
2021	73573123.5
2022	58305009.3