| Day | Rate | Set date |
|---|---|---|
| 4 January | 80.1200 | .. |
| 5 January | 80.5900 | .. |
| 6 January | 81.8900 | .. |
| 7 January | 81.5100 | .. |
| 8 January | 81.3700 | .. |
| 11 January | 80.9700 | .. |
| 12 January | 79.3000 | .. |
| 13 January | 78.3100 | .. |
| 14 January | 77.8200 | .. |
| 15 January | 77.1100 | .. |
| 18 January | 77.1000 | .. |
| 19 January | 77.6300 | .. |
| 20 January | 76.3200 | .. |
| 21 January | 74.5800 | .. |
| 22 January | 72.8300 | .. |
| 25 January | 73.6900 | .. |
| 26 January | 73.2900 | .. |
| 27 January | 72.2400 | .. |
| 28 January | 72.1300 | .. |
| 29 January | 71.4600 | .. |