| Day | Rate | Set date |
|---|---|---|
| 1 February | 20.3100 | .. |
| 2 February | 20.0000 | .. |
| 3 February | 19.9300 | .. |
| 4 February | 20.3000 | .. |
| 5 February | 20.2100 | .. |
| 8 February | 20.0800 | .. |
| 9 February | 20.0500 | .. |
| 10 February | 20.1800 | .. |
| 11 February | 20.2600 | .. |
| 12 February | 19.9800 | .. |
| 16 February | 19.5300 | .. |
| 17 February | 19.3300 | .. |
| 18 February | 19.4200 | .. |
| 19 February | 19.6200 | .. |
| 22 February | 20.0200 | .. |
| 23 February | 20.4800 | .. |
| 24 February | 20.5300 | .. |
| 25 February | 20.6100 | .. |
| 26 February | 20.6000 | .. |