| Day | Rate | Set date |
|---|---|---|
| 1 February | 56.3500 | .. |
| 2 February | 57.4600 | .. |
| 3 February | 58.4600 | .. |
| 4 February | 58.8400 | .. |
| 5 February | 59.3400 | .. |
| 8 February | 60.5600 | .. |
| 9 February | 61.0900 | .. |
| 10 February | 61.4700 | .. |
| 11 February | 61.1400 | .. |
| 12 February | 62.4300 | .. |
| 15 February | 63.3000 | .. |
| 16 February | 63.3500 | .. |
| 17 February | 64.3400 | .. |
| 18 February | 63.9300 | .. |
| 19 February | 62.9100 | .. |
| 22 February | 65.2400 | .. |
| 23 February | 65.3700 | .. |
| 24 February | 67.0400 | .. |
| 25 February | 66.8800 | .. |
| 26 February | 66.1300 | .. |