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Commitments and contingencies (Tables)
12 Months Ended
Dec. 31, 2017
Commitments and contingencies  
Schedule of committed expenditures

 

 

 

Commitment 
expenditures in U.S. 
dollars

 

Commitment 
expenditures 
equivalent in 
Mexican pesos(1)

 

2018

 

US$

76,194

 

Ps.

1,503,719

 

2019

 

130,013

 

2,565,859

 

2020

 

101,585

 

2,004,821

 

2021

 

145,683

 

2,875,112

 

2022 and thereafter

 

669,902

 

13,220,784

 

 

 

 

 

 

 

 

 

US$

1,123,377

 

Ps.

22,170,295

 

 

 

 

 

 

 

 

 

 

(1)

Using the exchange rate as of December 31, 2017 of Ps.19.7354.