| Day | Rate | Set date |
|---|---|---|
| 2 January | 99.6200 | .. |
| 3 January | 99.1800 | .. |
| 4 January | 97.9100 | .. |
| 7 January | 95.0900 | .. |
| 8 January | 96.3300 | .. |
| 9 January | 95.6700 | .. |
| 10 January | 93.7100 | .. |
| 11 January | 92.6900 | .. |
| 14 January | 94.2000 | .. |
| 15 January | 91.9000 | .. |
| 16 January | 90.8400 | .. |
| 17 January | 90.1300 | .. |
| 18 January | 90.5700 | .. |
| 22 January | 89.8500 | .. |
| 23 January | 86.9900 | .. |
| 24 January | 89.4100 | .. |
| 25 January | 90.7100 | .. |
| 28 January | 90.9900 | .. |
| 29 January | 91.6400 | .. |
| 30 January | 92.3300 | .. |
| 31 January | 91.7500 | .. |