| Day | Rate | Set date |
|---|---|---|
| 1 August | 16.1500 | .. |
| 2 August | 16.2100 | .. |
| 3 August | 16.2300 | .. |
| 4 August | 16.2300 | .. |
| 7 August | 16.1700 | .. |
| 8 August | 16.1900 | .. |
| 9 August | 16.2900 | .. |
| 10 August | 16.3100 | .. |
| 11 August | 16.2600 | .. |
| 14 August | 15.9600 | .. |
| 15 August | 15.8500 | .. |
| 16 August | 15.8400 | .. |
| 17 August | 15.9600 | .. |
| 18 August | 16.0400 | .. |
| 21 August | 16.2600 | .. |
| 22 August | 16.2900 | .. |
| 23 August | 16.2600 | .. |
| 24 August | 16.2000 | .. |
| 25 August | 16.1700 | .. |
| 29 August | 16.1900 | .. |
| 30 August | 16.2000 | .. |
| 31 August | 16.2500 | .. |