| Day | Rate | Set date |
|---|---|---|
| 2 January | 18.3600 | .. |
| 3 January | 18.1200 | .. |
| 6 January | 18.1200 | .. |
| 7 January | 17.6900 | .. |
| 8 January | 16.9200 | .. |
| 9 January | 16.8600 | .. |
| 10 January | 17.2400 | .. |
| 13 January | 17.9500 | .. |
| 14 January | 17.8900 | .. |
| 15 January | 18.3100 | .. |
| 16 January | 18.5400 | .. |
| 17 January | 18.3200 | .. |
| 20 January | 18.0100 | .. |
| 21 January | 17.7500 | .. |
| 22 January | 18.0500 | .. |
| 23 January | 17.8600 | .. |
| 24 January | 18.2200 | .. |
| 27 January | 18.4400 | .. |
| 28 January | 18.2400 | .. |
| 29 January | 18.0900 | .. |
| 30 January | 18.1400 | .. |
| 31 January | 18.1500 | .. |