Year	TDS, current US$
1999	14905.4
2000	16166
2001	8017.3
2002	7333.1
2003	6201.9
2004	9291.2
2005	159963.9
2006	310101.2
2007	353589.5
2008	2686108.9
2009	3240722.7
2010	944306.4
2011	197454.1
2012	144451.6
2013	5587962.8
2014	6297354.3
2015	1159874.3
2016	578264.4
2017	574109.8
2018	590484.5
2019	671498
2020	175526.5
2021	21368.5
2022	438947