| Day | Rate | Set date |
|---|---|---|
| 2 February | 18.5400 | .. |
| 3 February | 18.3600 | .. |
| 4 February | 18.2600 | .. |
| 5 February | 18.5800 | .. |
| 6 February | 18.4400 | .. |
| 9 February | 18.3400 | .. |
| 10 February | 18.4500 | .. |
| 11 February | 18.0600 | .. |
| 12 February | 17.9800 | .. |
| 13 February | 17.8500 | .. |
| 17 February | 17.7900 | .. |
| 18 February | 17.4000 | .. |
| 19 February | 17.4400 | .. |
| 20 February | 17.7700 | .. |
| 23 February | 17.7700 | .. |
| 24 February | 17.7700 | .. |
| 25 February | 16.4000 | .. |
| 26 February | 16.7800 | .. |
| 27 February | 16.6000 | .. |