| Day | Rate | Set date |
|---|---|---|
| 3 January | 17.4400 | .. |
| 4 January | 17.4800 | .. |
| 5 January | 17.7200 | .. |
| 6 January | 17.6700 | .. |
| 9 January | 17.4000 | .. |
| 10 January | 17.3700 | .. |
| 11 January | 17.7200 | .. |
| 12 January | 17.7200 | .. |
| 13 January | 17.5200 | .. |
| 16 January | 17.8800 | .. |
| 17 January | 18.3200 | .. |
| 18 January | 18.7300 | .. |
| 19 January | 18.6900 | .. |
| 20 January | 18.6500 | .. |
| 23 January | 18.1000 | .. |
| 24 January | 18.3900 | .. |
| 25 January | 18.3900 | .. |
| 26 January | 18.2400 | .. |
| 27 January | 17.9500 | .. |
| 30 January | 18.0900 | .. |
| 31 January | 18.3900 | .. |