22. |
Cost of services |
Cost of services for the years ended December 31, 2015, 2016 and 2017 was composed of the following:
|
|
2015 |
|
|
2016 |
|
|
2017 |
|
||||||
Employee cost (Note 24) |
|
Ps. |
|
502,794 |
|
|
Ps. |
|
584,560 |
|
|
Ps. |
|
663,360 |
|
Maintenance |
|
|
|
302,203 |
|
|
|
|
346,805 |
|
|
|
|
505,352 |
|
Safety, security and insurance |
|
|
|
249,752 |
|
|
|
|
282,310 |
|
|
|
|
317,023 |
|
Utilities |
|
|
|
192,158 |
|
|
|
|
222,891 |
|
|
|
|
278,895 |
|
Other |
|
|
|
311,351 |
|
|
|
|
345,805 |
|
|
|
|
345,777 |
|
|
|
Ps. |
|
1,558,258 |
|
|
Ps. |
|
1,782,371 |
|
|
Ps. |
|
2,110,407 |
|