| Day | Rate | Set date |
|---|---|---|
| 1 December | 18.4900 | .. |
| 2 December | 18.3400 | .. |
| 3 December | 18.0800 | .. |
| 4 December | 18.0500 | .. |
| 7 December | 18.2400 | .. |
| 8 December | 17.9400 | .. |
| 9 December | 17.8500 | .. |
| 10 December | 18.2700 | .. |
| 11 December | 18.1000 | .. |
| 14 December | 18.0200 | .. |
| 15 December | 17.8700 | .. |
| 16 December | 18.0600 | .. |
| 17 December | 18.5700 | .. |
| 18 December | 18.5600 | .. |
| 21 December | 18.6400 | .. |
| 22 December | 18.4900 | .. |
| 23 December | 18.6100 | .. |
| 24 December | 18.7000 | .. |
| 29 December | 18.3400 | .. |
| 30 December | 18.2700 | .. |
| 31 December | 18.2900 | .. |