The movements in the short-term liabilities related to pension premiums were as follows:
| | 2019 | 2018 |
Balance as at 1 January | 660 | 584 |
Payment relating to previous years | (660) | (584) |
| | - | - |
Premiums due for the financial year | 2,621 | 2,593 |
Payments relating to the financial year | (1,904) | (1,933) |
Total | 717 | 660 |