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Taxes and similar charges payable other than income tax (Tables)
12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Schedule of Taxes and Similar Charges Payable Other than Income Tax

     December 31,
2018
     December 31,
2017
 

Payroll taxes

     2,424        2,010  

VAT payable

     2,233        3,313  

Property tax

     511        504  

Land lease

     471        433  

Mineral extraction tax

     226        189  

Land tax

     125        153  

Other

     116        94  
  

 

 

    

 

 

 

Total

     6,106        6,696