| Thousands of dollars | | December 2017 ThU.S.$ | | Total | | ||
| Fixed rate | | | 3,676,210 | | | 86.0 | % |
| Bonds issued | | | 3,302,685 | | | | |
| Bank borrowings (*) | | | 261,149 | | | | |
| Financial leasing | | | 112,376 | | | | |
| Variable rate | | | 597,308 | | | 14.0 | % |
| Bonds issued | | | - | | | | |
| Loans with Banks | | | 597,308 | | | | |
| Total | | | 4,273,518 | | | 100.0 | % |
| Thousands of dollars | | December 2016 ThU.S.$ | | Total | | ||
| Fixed rate | | | 3,903,942 | | | 87.1 | % |
| Bonds issued | | | 3,452,659 | | | | |
| Bank borrowings (*) | | | 337,297 | | | | |
| Financial leasing | | | 113,986 | | | | |
| Variable rate | | | 577,061 | | | 12.9 | % |
| Bonds issued | | | - | | | | |
| Loans with Banks | | | 577,061 | | | | |
| Total | | | 4,481,003 | | | 100.0 | % |