| Day | Rate | Set date |
|---|---|---|
| 1 December | 20.3000 | .. |
| 4 December | 20.2500 | .. |
| 5 December | 20.3400 | .. |
| 6 December | 20.4700 | .. |
| 7 December | 20.5100 | .. |
| 8 December | 20.4800 | .. |
| 11 December | 20.7000 | .. |
| 12 December | 20.6500 | .. |
| 13 December | 20.7700 | .. |
| 14 December | 20.6500 | .. |
| 15 December | 21.1000 | .. |
| 18 December | 22.2200 | .. |
| 19 December | 22.3300 | .. |
| 20 December | 21.2100 | .. |
| 21 December | 21.5200 | .. |
| 22 December | 21.2900 | .. |
| 26 December | 21.9100 | .. |
| 27 December | 21.7800 | .. |
| 28 December | 21.5000 | .. |
| 29 December | 21.8200 | .. |