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Commitments and contingencies (Tables)
12 Months Ended
Dec. 31, 2023
Commitments and contingencies  
Schedule of other assessments

    

    

Penalty and

    

Year

Taxes

interest

Total

US$(000)

US$(000)

US$(000)

2003 – 2005

 

8,162

38,870

47,032

2006

 

10,844

51,963

62,807

2007

 

11,579

22,102

33,681

2008

 

16,906

16,923

33,829

2009

 

56,039

51,680

107,719

2010

 

53,566

126,406

179,972

2011

 

40,940

70,065

111,005

2012

 

869

7,326

8,195

2013

48,622

71,620

120,242

2014

 

5,344

706

6,050

2015

3,001

23,816

26,817

2016

 

61,875

3,360

65,235

2017

 

5,043

3,078

8,121

2018

4,666

4,250

8,916

2019-2022

 

499

172

671

327,955

492,337

820,292