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Basis of preparation of the financial statements (Tables)
 12 Months Ended
Dec. 31, 2020
Basis of preparation of the financial statements  
Schedule of exchange rates used to translate its foreign operations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Closing rate

 

Average rate for the year ended

 

    
2020

    
2019

    
2018

    
2020

    
2019

    
2018

US Dollar ("US$")

 

5.1967

 

4.0307

 

3.8748

 

5.1578

 

3.9461

 

3.6558

Canadian dollar ("CAD")

 

4.0771

 

3.1034

 

2.8451

 

3.8480

 

2.9746

 

2.8190

Euro ("EUR" or "€")

 

6.3779

 

4.5305

 

4.4390

 

5.8989

 

4.4159

 

4.3094