| Day | Rate | Set date |
|---|---|---|
| 1 December | 18.6600 | .. |
| 4 December | 19.1600 | .. |
| 5 December | 19.0400 | .. |
| 6 December | 19.1500 | .. |
| 7 December | 19.2500 | .. |
| 8 December | 19.1200 | .. |
| 11 December | 19.1100 | .. |
| 12 December | 19.1000 | .. |
| 13 December | 19.2200 | .. |
| 14 December | 19.0200 | .. |
| 15 December | 19.1300 | .. |
| 18 December | 19.3700 | .. |
| 19 December | 19.5400 | .. |
| 20 December | 19.5000 | .. |
| 21 December | 19.4900 | .. |
| 22 December | 19.7600 | .. |
| 27 December | 20.1000 | .. |
| 28 December | 20.0400 | .. |
| 29 December | 20.2800 | .. |