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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2017
SUPPLEMENTAL CASH FLOW INFORMATION  
Schedule of non-cash investing activities

 

 

 

 

 

 

 

 

    

2015

    

2016

    

2017

Acquisitions of property and equipment:

 

  

 

  

 

  

Credited to trade payables

 

4,979

 

6,199

 

5,525

Non-monetary exchange

 

 —

 

636

 

816

Credited to obligations under finance leases

 

452

 

368

 

518

Interest capitalization

 

 —

 

188

 

328

Acquisitions of intangible assets: Credited to trade payables

 

179

 

41

 

846