| Day | Rate | Set date |
|---|---|---|
| 3 February | 50.1100 | .. |
| 4 February | 49.6100 | .. |
| 5 February | 50.7500 | .. |
| 6 February | 50.9500 | .. |
| 7 February | 50.3200 | .. |
| 10 February | 49.5700 | .. |
| 11 February | 49.9400 | .. |
| 12 February | 51.1700 | .. |
| 13 February | 51.4200 | .. |
| 14 February | 52.0500 | .. |
| 16 February | 52.3600 | .. |
| 17 February | 52.2000 | .. |
| 18 February | 52.0500 | .. |
| 19 February | 53.2900 | .. |
| 20 February | 53.7800 | .. |
| 21 February | 53.3800 | .. |
| 24 February | 51.4300 | .. |
| 25 February | 49.9000 | .. |
| 26 February | 48.7300 | .. |
| 27 February | 47.0900 | .. |
| 28 February | 44.7600 | .. |