| | 12-31-2017 | | 12-31-2016 | |
| | ThU.S.$ | | ThU.S.$ | |
Property, Plant and Equipment under finance leases | | 116,534 | | 117,206 | |
Plant and equipment | | 116,534 | | 117,206 | |
| | 12-31-2017 | |
| | Present Value | |
Periods | | ThU.S.$ | |
Less than one year | | 44,341 | |
Between one and five years | | 68,035 | |
More than five years | | - | |
Total | | 112,376 | |
| | 12-31-2016 | |
| | Present Value | |
Periods | | ThU.S.$ | |
Less than one year | | 40,400 | |
Between one and five years | | 73,586 | |
More than five years | | - | |
Total | | 113,986 | |
| | 12-31-2017 | | ||||
| | Gross | | Interest | | Present Value | |
Periods | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | |
Less than one year | | 12,001 | | 69 | | 11,932 | |
Between one and five years | | 1,174 | | - | | 1,174 | |
More than five years | | - | | - | | - | |
Total | | 13,175 | | 69 | | 13,106 | |
| | 12-31-2016 | | ||||
| | Gross | | Interest | | Present Value | |
Periods | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | |
Less than one year | | 512 | | - | | 512 | |
Between one and five years | | 353 | | - | | 353 | |
More than five years | | - | | - | | - | |
Total | | 865 | | - | | 865 | |