| Day | Rate | Set date |
|---|---|---|
| 2 January | 20.5100 | .. |
| 3 January | 21.6900 | .. |
| 4 January | 21.5100 | .. |
| 5 January | 22.0000 | .. |
| 8 January | 20.5200 | .. |
| 9 January | 20.1400 | .. |
| 10 January | 20.7300 | .. |
| 11 January | 20.2700 | .. |
| 12 January | 20.0500 | .. |
| 15 January | 19.5300 | .. |
| 16 January | 19.5800 | .. |
| 17 January | 19.2000 | .. |
| 18 January | 19.4700 | .. |
| 19 January | 19.9200 | .. |
| 22 January | 19.6600 | .. |
| 23 January | 19.2100 | .. |
| 24 January | 19.2700 | .. |
| 25 January | 19.7300 | .. |
| 26 January | 19.8600 | .. |
| 29 January | 20.0500 | .. |
| 30 January | 19.8200 | .. |
| 31 January | 20.0600 | .. |