| | December 31, | | ||||
| | | | | | | |
| | 2016 | | 2017 | | ||
| | | | | | | |
Cash and cash held at banks | | Ps | 3,142,810 | | Ps | 4,417,791 | |
Short term investments | | | 354,825 | | | 240,701 | |
Fiduciary rights (*) | | | | | | 18,962 | |
| | | | | | | |
Total cash and cash equivalents | | Ps | 3,497,635 | | Ps | 4,677,454 | |