| Day | Rate | Set date |
|---|---|---|
| 1 August | 27.1900 | .. |
| 2 August | 27.3100 | .. |
| 5 August | 27.3300 | .. |
| 6 August | 27.2600 | .. |
| 7 August | 27.2700 | .. |
| 8 August | 27.3100 | .. |
| 9 August | 27.3700 | .. |
| 12 August | 27.5800 | .. |
| 13 August | 27.6100 | .. |
| 14 August | 27.7300 | .. |
| 15 August | 28.0600 | .. |
| 16 August | 28.0300 | .. |
| 19 August | 27.9900 | .. |
| 20 August | 28.0900 | .. |
| 21 August | 27.8800 | .. |
| 22 August | 27.9700 | .. |
| 23 August | 27.9500 | .. |
| 26 August | 28.1000 | .. |
| 27 August | 28.0800 | .. |
| 28 August | 28.1000 | .. |
| 29 August | 27.9400 | .. |
| 30 August | 28.0800 | .. |