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Cash and cash equivalents (Tables)
 12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Schedule of Cash and Cash Equivalents


     31 December
2018		      31 December
2017		  

Cash in hand

      144        192  

Banks

      7,413,113        4,712,141  

- Demand deposits

      587,007        603,553  

- Time deposits

      6,826,106        4,108,588  

Other cash and cash equivalents

      5,982        —    
  

 

 

     

 

 

  

Cash and cash equivalents

      7,419,239        4,712,333