Year	TDS, current US$
1991	3568063.5
1992	2020816.9
1993	8070724.6
1994	18281577.8
1995	10417322.5
1996	21276983.2
1997	24143042.3
1998	21425200.3
1999	25623352.8
2000	30021420.6
2001	39590793.5
2002	60804903.3
2003	57279766.9
2004	76021667
2005	104901870.1
2006	181184491.9
2007	175635399.6
2008	252899351.7
2009	244199014.7
2010	380521784.7
2011	482510828.6
2012	542548906.9
2013	550331877.1
2014	732660493.9
2015	1179900721.4
2016	590406592
2017	513040675.9
2018	1085779158.2
2019	639459668.6
2020	1143140604
2021	883807181.4
2022	730739147.1