| Thousands of U.S. dollars | |||
| As of December 31, | |||
| Receivables | 2016 | 2017 | |
| Non-current | |||
| Indirect taxes | 7,815 | 7,282 | |
| Current | |||
| Indirect taxes | 1,400 | 4,764 | |
| Other taxes | 5,052 | 7,308 | |
| Income tax | 22,145 | 21,969 | |
| Total | 36,412 | 41,323 | |
| Thousands of U.S. dollars | |||
| As of December 31, | |||
| Payables | 2016 | 2017 | |
| Non-current | |||
| Social security | 1,098 | 1,025 | |
| Current | |||
| Indirect taxes | 23,033 | 28,024 | |
| Other taxes | 45,767 | 58,142 | |
| Income tax | 4,030 | 8,058 | |
| Total | 73,928 | 95,249 | |