| Day | Rate | Set date |
|---|---|---|
| 1 December | 79.3500 | .. |
| 2 December | 77.8800 | .. |
| 3 December | 78.3600 | .. |
| 4 December | 77.5200 | .. |
| 7 December | 76.4300 | .. |
| 8 December | 75.1900 | .. |
| 9 December | 72.3900 | .. |
| 10 December | 71.8600 | .. |
| 11 December | 71.8800 | .. |
| 14 December | 71.8900 | .. |
| 15 December | 72.0500 | .. |
| 16 December | 73.5500 | .. |
| 17 December | 73.3700 | .. |
| 18 December | 73.7500 | .. |
| 21 December | 72.9900 | .. |
| 22 December | 73.4600 | .. |
| 23 December | 75.4500 | .. |
| 24 December | 76.3100 | .. |
| 28 December | 77.3200 | .. |
| 29 December | 77.6400 | .. |
| 30 December | 78.0300 | .. |
| 31 December | 77.9300 | .. |