| Thousands of U.S. dollars | |||||
| 2015 (*) | 2016 (*) | 2017 | |||
| Depreciation and amortization | |||||
| Intangible assets (Note 6) | 51,430 | 50,916 | 55,195 | ||
| Property, plant and equipment (Note 9) | 50,077 | 46,448 | 49,226 | ||
| Total | 101,507 | 97,364 | 104,421 | ||
| (*) Exclude discontinued operations - Morocco. | |||||