Year	TDS, current US$
1999	39142.7
2000	42452.7
2001	21054
2002	19257
2003	16286.4
2004	24399.1
2005	32116.3
2006	45407.5
2007	40079.4
2008	9366.6
2009	74118
2010	73312.3
2011	52951
2012	32732.7
2013	53093.7
2014	905700.6
2015	3017911.8
2016	2730075
2017	2984261.2
2018	3055793
2019	3162673.1
2020	1131170.5
2021	572675.4
2022	550022