| Day | Rate | Set date |
|---|---|---|
| 3 January | 17.3600 | .. |
| 4 January | 17.0800 | .. |
| 5 January | 17.4200 | .. |
| 6 January | 17.5500 | .. |
| 9 January | 17.7200 | .. |
| 10 January | 17.6900 | .. |
| 11 January | 18.1400 | .. |
| 12 January | 18.1700 | .. |
| 13 January | 18.4800 | .. |
| 16 January | 18.8800 | .. |
| 17 January | 18.9500 | .. |
| 18 January | 19.2600 | .. |
| 19 January | 19.2800 | .. |
| 20 January | 18.8600 | .. |
| 23 January | 18.8600 | .. |
| 24 January | 17.5400 | .. |
| 25 January | 18.1200 | .. |
| 26 January | 17.7200 | .. |
| 27 January | 17.7400 | .. |
| 30 January | 17.2900 | .. |
| 31 January | 17.0300 | .. |