| Day | Rate | Set date |
|---|---|---|
| 3 August | 13.7000 | .. |
| 4 August | 13.7500 | .. |
| 5 August | 13.6800 | .. |
| 6 August | 13.7600 | .. |
| 7 August | 13.8000 | .. |
| 10 August | 13.0500 | .. |
| 11 August | 12.7600 | .. |
| 12 August | 12.7100 | .. |
| 13 August | 13.2100 | .. |
| 14 August | 13.3500 | .. |
| 17 August | 13.2000 | .. |
| 18 August | 12.9200 | .. |
| 19 August | 13.1600 | .. |
| 20 August | 13.5400 | .. |
| 21 August | 13.3700 | .. |
| 24 August | 13.6400 | .. |
| 25 August | 13.7700 | .. |
| 26 August | 13.5800 | .. |
| 27 August | 13.2300 | .. |
| 28 August | 13.5000 | .. |
| 31 August | 13.3400 | .. |