| Day | Rate | Set date |
|---|---|---|
| 1 February | 17.7100 | .. |
| 2 February | 17.8000 | .. |
| 5 February | 17.5400 | .. |
| 6 February | 17.6900 | .. |
| 7 February | 17.7400 | .. |
| 8 February | 17.7600 | .. |
| 9 February | 17.7800 | .. |
| 12 February | 17.9700 | .. |
| 13 February | 18.9100 | .. |
| 14 February | 18.9600 | .. |
| 15 February | 19.0400 | .. |
| 16 February | 19.1600 | .. |
| 20 February | 21.0500 | .. |
| 21 February | 19.7100 | .. |
| 22 February | 19.8500 | .. |
| 23 February | 19.0600 | .. |
| 26 February | 19.3900 | .. |
| 27 February | 19.7000 | .. |
| 28 February | 19.2900 | .. |
| 29 February | 19.5400 | .. |