| Day | Rate | Set date |
|---|---|---|
| 1 February | 17.5100 | .. |
| 2 February | 17.7300 | .. |
| 3 February | 17.5300 | .. |
| 6 February | 17.3800 | .. |
| 7 February | 17.7000 | .. |
| 8 February | 17.4900 | .. |
| 9 February | 17.3900 | .. |
| 10 February | 17.1100 | .. |
| 13 February | 17.5900 | .. |
| 14 February | 17.4200 | .. |
| 15 February | 18.2500 | .. |
| 16 February | 18.3300 | .. |
| 17 February | 18.5600 | .. |
| 21 February | 18.5900 | .. |
| 22 February | 18.5900 | .. |
| 23 February | 17.8300 | .. |
| 24 February | 18.0700 | .. |
| 27 February | 18.1400 | .. |
| 28 February | 18.1500 | .. |