Year	TDS, current US$
2006	10894252.3
2007	6154687.8
2008	8030776.5
2009	10739033.8
2010	10431611.1
2011	10326866.7
2012	14850800.8
2013	25088493.4
2014	42203307.6
2015	56234850.6
2016	59621162.6
2017	63232789.7
2018	63115845.8
2019	55575662.9
2020	45904311.7
2021	25997304.5
2022	25678957.7