| Day | Rate | Set date |
|---|---|---|
| 1 August | 24.9600 | .. |
| 2 August | 26.1300 | .. |
| 3 August | 25.6900 | .. |
| 6 August | 25.8300 | .. |
| 7 August | 26.0800 | .. |
| 8 August | 25.7000 | .. |
| 9 August | 25.6800 | .. |
| 10 August | 25.9800 | .. |
| 13 August | 25.8800 | .. |
| 14 August | 25.9900 | .. |
| 15 August | 25.5500 | .. |
| 16 August | 25.5500 | .. |
| 17 August | 24.7300 | .. |
| 20 August | 25.0500 | .. |
| 21 August | 25.4900 | .. |
| 22 August | 25.3400 | .. |
| 23 August | 25.6000 | .. |
| 24 August | 25.9500 | .. |
| 28 August | 26.4700 | .. |
| 29 August | 26.5300 | .. |
| 30 August | 26.0900 | .. |
| 31 August | 26.4100 | .. |