| Day | Rate | Set date |
|---|---|---|
| 1 August | 16.0800 | .. |
| 2 August | 15.6100 | .. |
| 3 August | 15.2600 | .. |
| 4 August | 15.0300 | .. |
| 5 August | 15.2600 | .. |
| 8 August | 15.8700 | .. |
| 9 August | 15.6800 | .. |
| 10 August | 15.7100 | .. |
| 11 August | 15.7600 | .. |
| 12 August | 15.5200 | .. |
| 15 August | 15.6100 | .. |
| 16 August | 15.4900 | .. |
| 17 August | 15.4700 | .. |
| 18 August | 15.5700 | .. |
| 19 August | 15.7300 | .. |
| 22 August | 15.7600 | .. |
| 23 August | 15.7600 | .. |
| 24 August | 15.6800 | .. |
| 25 August | 15.3100 | .. |
| 26 August | 15.3400 | .. |
| 29 August | 15.2200 | .. |
| 30 August | 15.2700 | .. |
| 31 August | 15.1800 | .. |