v3.8.0.1

Other operating income and expenses (Tables) | 12 Months Ended
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Dec. 31, 2017
Other operating income and expenses [Abstract] |
Other operating income | The table below shows the detail of Other operating income and expenses for the years ended December 31, 2017, 2016 and 2015:
| For the twelve-month year ended December 31, |
Other operating income | 2017 |  |  | 2016 |  | 2015 |
Grants |  |  | 59,707 |  |  |  | 59,085 |  |  |  | 67,859 |
Income from various services and insurance proceeds |  |  | 21,137 |  |  |  | 6,453 |  |  |  | 998 |
Total |  |  | 80,844 |  |  |  | 65,538 |  |  |  | 68,857 |
Other operating expenses |
|  | For the twelve-month year ended December 31, |
Other operating expenses |  | 2017 |  |  | 2016 |  |  | 2015 |
Leases and fees |  |  | (6,641 | ) |  |  | (5,309 | ) |  |  | (3,865 | )
Operation and maintenance |  |  | (129,873 | ) |  |  | (133,292 | ) |  |  | (116,405 | )
Independent professional services |  |  | (36,178 | ) |  |  | (30,515 | ) |  |  | (19,046 | )
Supplies |  |  | (20,350 | ) |  |  | (17,177 | ) |  |  | (18,001 | )
Insurance |  |  | (24,289 | ) |  |  | (23,390 | ) |  |  | (20,277 | )
Levies and duties |  |  | (52,409 | ) |  |  | (44,440 | ) |  |  | (32,352 | )
Other expenses |  |  | (14,721 | ) |  |  | (6,195 | ) |  |  | (14,882 | )
Total |  |  | (284,461 | ) |  |  | (260,318 | ) |  |  | (224,828 | )

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