| Day | Rate | Set date |
|---|---|---|
| 2 December | 21.0800 | .. |
| 3 December | 20.5100 | .. |
| 4 December | 20.7600 | .. |
| 5 December | 20.3900 | .. |
| 6 December | 20.0400 | .. |
| 9 December | 19.4200 | .. |
| 10 December | 19.4100 | .. |
| 11 December | 19.5100 | .. |
| 12 December | 19.9600 | .. |
| 13 December | 20.0500 | .. |
| 16 December | 19.7600 | .. |
| 17 December | 19.4500 | .. |
| 18 December | 19.3900 | .. |
| 19 December | 19.1300 | .. |
| 20 December | 18.5200 | .. |
| 23 December | 18.7800 | .. |
| 24 December | 18.9700 | .. |
| 26 December | 18.5000 | .. |
| 27 December | 18.7600 | .. |
| 30 December | 18.6500 | .. |
| 31 December | 19.1200 | .. |