18) TRADE AND OTHER NON-TRADE PAYABLES
Details of trade and other payables at December 31, 2016 and 2017 are as follow:
| Thousands of U.S. dollars | |||
| 2016 | 2017 | ||
| Other payables | 283 | 7,750 | |
| Suppliers | 335 | 344 | |
| Total non-current non-trade payables | 618 | 8,094 | |
| Suppliers | 74,721 | 92,216 | |
| Advances | 547 | 1,862 | |
| Total current trade payables | 75,268 | 94,078 | |
| Suppliers of fixed assets | 31,104 | 15,598 | |
| Personnel | 88,585 | 80,631 | |
| Other payables | 11,097 | 17,787 | |
| Advances from customers | 429 | 438 | |
| Total current other non-trade payables | 131,215 | 114,454 | |
| Total current | 206,483 | 208,532 | |
| Total | 207,101 | 216,626 | |
The carrying amount of trade and other non-trade payables is similar to the fair value.