| Day | Rate | Set date |
|---|---|---|
| 1 August | 16.7200 | .. |
| 2 August | 16.3700 | .. |
| 3 August | 16.5800 | .. |
| 4 August | 16.4000 | .. |
| 7 August | 16.4000 | .. |
| 8 August | 16.3200 | .. |
| 9 August | 16.5200 | .. |
| 10 August | 16.9700 | .. |
| 11 August | 16.9100 | .. |
| 14 August | 16.7900 | .. |
| 15 August | 16.8700 | .. |
| 16 August | 16.9600 | .. |
| 17 August | 16.8900 | .. |
| 18 August | 16.8500 | .. |
| 21 August | 16.8300 | .. |
| 22 August | 17.0100 | .. |
| 23 August | 16.9500 | .. |
| 24 August | 16.9600 | .. |
| 25 August | 16.8500 | .. |
| 29 August | 16.9900 | .. |
| 30 August | 17.0000 | .. |
| 31 August | 17.2400 | .. |