| Day | Rate | Set date |
|---|---|---|
| 4 January | 19.0400 | .. |
| 5 January | 19.2600 | .. |
| 6 January | 19.0400 | .. |
| 7 January | 18.9500 | .. |
| 8 January | 18.8800 | .. |
| 11 January | 18.7800 | .. |
| 12 January | 18.3800 | .. |
| 13 January | 18.5000 | .. |
| 14 January | 18.7000 | .. |
| 15 January | 18.8700 | .. |
| 18 January | 18.8700 | .. |
| 19 January | 18.5800 | .. |
| 20 January | 18.3300 | .. |
| 21 January | 18.8100 | .. |
| 22 January | 18.8300 | .. |
| 25 January | 19.6600 | .. |
| 26 January | 19.6400 | .. |
| 27 January | 19.6600 | .. |
| 28 January | 20.4100 | .. |
| 29 January | 20.2600 | .. |