| Day | Rate | Set date |
|---|---|---|
| 1 February | 56.7200 | .. |
| 2 February | 58.4100 | .. |
| 5 February | 58.1000 | .. |
| 6 February | 58.4200 | .. |
| 7 February | 57.2300 | .. |
| 8 February | 59.0300 | .. |
| 9 February | 59.0100 | .. |
| 12 February | 56.6000 | .. |
| 13 February | 57.0300 | .. |
| 14 February | 57.4300 | .. |
| 15 February | 57.6000 | .. |
| 16 February | 58.9500 | .. |
| 19 February | 58.1400 | .. |
| 20 February | 57.9800 | .. |
| 21 February | 59.3500 | .. |
| 22 February | 60.6200 | .. |
| 23 February | 60.8800 | .. |
| 26 February | 61.3300 | .. |
| 27 February | 61.3600 | .. |
| 28 February | 61.8900 | .. |