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v3.23.1

Commitments and contingencies (Tables) | 12 Months Ended
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Dec. 31, 2022
Commitments and contingencies |
Schedule of other assessments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Penalty and |  | ​
Year | ​ | Taxes | ​ | interest | ​ | Total
​ | ​ | US$(000) | ​ | US$(000) | ​ | US$(000)
​ | ​ | ​ | ​ | ​ | ​ | ​
2003 - 2005 |  | 8,684 | ​ | 39,366 | ​ | 48,050
2006 |  | 10,840 | ​ | 51,955 | ​ | 62,795
2007 |  | 11,579 | ​ | 22,102 | ​ | 33,681
2008 |  | 16,906 | ​ | 16,923 | ​ | 33,829
2009 |  | 56,000 | ​ | 51,604 | ​ | 107,604
2010 |  | 53,566 | ​ | 125,047 | ​ | 178,613
2011 |  | 40,802 | ​ | 66,506 | ​ | 107,308
2012 |  | 869 | ​ | 6,917 | ​ | 7,786
2013 |  | 48,402 | ​ | 65,849 | ​ | 114,251
2014 |  | 5,434 | ​ | 724 | ​ | 6,158
2015 |  | 2,986 | ​ | 23,205 | ​ | 26,191
2016 | ​ | 60,041 | ​ | 3,268 | ​ | 63,309
2017 |  | 4,815 | ​ | 2,920 | ​ | 7,735
​ | ​ | 320,924 | ​ | 476,386 | ​ | 797,310

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