An analysis of the net liability and net period cost for employee benefits is as follows:
| At December 31, | ||||||||
| 2016 | 2017 | |||||||
|
Liability: |
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|
Mexico |
Ps. | 70,073,351 | Ps. 84,821,197 | |||||
|
Puerto Rico |
17,736,616 | 13,962,128 | ||||||
|
Brazil |
7,222,762 | 6,276,780 | ||||||
|
Europe |
15,748,433 | 14,833,840 | ||||||
|
Ecuador |
267,705 | 403,194 | ||||||
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Total |
Ps. 111,048,867 | Ps. 120,297,139 | ||||||
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| For the year ended December 31, | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
|
Net period cost (benefit) |
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|
Mexico |
Ps. 8,962,953 | Ps. 12,281,154 | Ps. 11,586,065 | |||||||||
|
Puerto Rico |
(455,117 | ) | 1,058,131 | 776,238 | ||||||||
|
Brazil |
451,353 | 633,159 | 735,855 | |||||||||
|
Austria |
260,850 | 226,447 | 385,689 | |||||||||
|
Ecuador |
58,042 | 41,380 | 152,335 | |||||||||
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Total |
Ps. 9,278,081 | Ps. 14,240,271 | Ps. 13,636,182 | |||||||||
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