| Day | Rate | Set date |
|---|---|---|
| 3 February | 24.1500 | .. |
| 4 February | 24.0200 | .. |
| 5 February | 23.9100 | .. |
| 6 February | 23.1000 | .. |
| 7 February | 22.2300 | .. |
| 10 February | 22.4600 | .. |
| 11 February | 22.4200 | .. |
| 12 February | 21.8600 | .. |
| 13 February | 22.0200 | .. |
| 14 February | 22.4100 | .. |
| 18 February | 22.5200 | .. |
| 19 February | 22.7900 | .. |
| 20 February | 21.9800 | .. |
| 21 February | 21.3900 | .. |
| 24 February | 20.7100 | .. |
| 25 February | 21.0000 | .. |
| 26 February | 21.1100 | .. |
| 27 February | 20.8900 | .. |
| 28 February | 20.3000 | .. |