Year	TDS, current US$
1999	722946.2
2000	784082.3
2001	388857.3
2002	355667.7
2003	300802
2004	450640.6
2005	593174.3
2006	838654.7
2007	740248.2
2008	172996
2009	343238.1
2010	469122.9
2011	160558.7
2012	43742.8
2013	188066.3
2014	72942.3
2015	67158
2016	111204.7
2017	70723.7
2018	127442.7
2019	1307072.4
2020	415134
2021	217958.6
2022	4519280.6