Year	TDS, current US$
1993	1327956.5
1994	4440172.1
1995	6662548.9
1996	13041334.1
1997	14915002.7
1998	39915419.4
1999	19741638.2
2000	15513346.8
2001	15679613.4
2002	28724358.4
2003	24960870
2004	24832569.1
2005	21691096
2006	22877448.7
2007	23126953.5
2008	21661858.8
2009	24519678.8
2010	29729063.3
2011	35520810.6
2012	40152412.5
2013	43571264
2014	48791984.5
2015	70626383.5
2016	90557663.9
2017	120696428.3
2018	159961794.8
2019	190288033.4
2020	207076030.2
2021	212329654.5
2022	220421049.1