| Day | Rate | Set date |
|---|---|---|
| 1 December | 69.0000 | .. |
| 2 December | 66.8800 | .. |
| 3 December | 67.3800 | .. |
| 4 December | 66.8100 | .. |
| 5 December | 65.8400 | .. |
| 8 December | 63.0500 | .. |
| 9 December | 63.8200 | .. |
| 10 December | 60.9400 | .. |
| 11 December | 59.9500 | .. |
| 12 December | 57.8100 | .. |
| 15 December | 55.9100 | .. |
| 16 December | 55.9300 | .. |
| 17 December | 56.4700 | .. |
| 18 December | 54.1100 | .. |
| 19 December | 56.5200 | .. |
| 22 December | 55.2600 | .. |
| 23 December | 57.1200 | .. |
| 24 December | 55.8400 | .. |
| 25 December | 55.9200 | .. |
| 26 December | 54.7300 | .. |
| 29 December | 53.6100 | .. |
| 30 December | 54.1200 | .. |
| 31 December | 53.2700 | .. |