| Day | Rate | Set date |
|---|---|---|
| 2 January | 21.0100 | .. |
| 3 January | 20.3700 | .. |
| 4 January | 21.6200 | .. |
| 7 January | 21.4800 | .. |
| 8 January | 21.2500 | .. |
| 9 January | 20.1800 | .. |
| 10 January | 20.3800 | .. |
| 11 January | 19.6800 | .. |
| 14 January | 18.8900 | .. |
| 15 January | 18.9000 | .. |
| 16 January | 18.8600 | .. |
| 17 January | 17.9700 | .. |
| 18 January | 18.0000 | .. |
| 22 January | 18.3400 | .. |
| 23 January | 19.5000 | .. |
| 24 January | 19.7000 | .. |
| 25 January | 19.9900 | .. |
| 28 January | 20.0500 | .. |
| 29 January | 19.5800 | .. |
| 30 January | 19.0800 | .. |
| 31 January | 19.4800 | .. |