| Day | Rate | Set date |
|---|---|---|
| 2 January | 78.4000 | .. |
| 3 January | 78.9800 | .. |
| 4 January | 80.0000 | .. |
| 5 January | 80.8000 | .. |
| 6 January | 81.9900 | .. |
| 7 January | 81.7500 | .. |
| 9 January | 81.4500 | .. |
| 10 January | 80.8700 | .. |
| 11 January | 83.7200 | .. |
| 12 January | 84.6700 | .. |
| 13 January | 84.4700 | .. |
| 14 January | 86.0600 | .. |
| 16 January | 86.5300 | .. |
| 17 January | 86.4800 | .. |
| 18 January | 87.5100 | .. |
| 19 January | 88.4400 | .. |
| 20 January | 88.3800 | .. |
| 21 January | 87.8900 | .. |
| 23 January | 87.8300 | .. |
| 24 January | 86.2700 | .. |
| 25 January | 88.2000 | .. |
| 26 January | 88.7400 | .. |
| 27 January | 88.1700 | .. |
| 28 January | 90.0300 | .. |
| 30 January | 89.3800 | .. |
| 31 January | 91.2100 | .. |