| Day | Rate | Set date |
|---|---|---|
| 1 August | 42.1400 | .. |
| 2 August | 41.8000 | .. |
| 3 August | 43.1000 | .. |
| 4 August | 44.2900 | .. |
| 5 August | 44.2700 | .. |
| 8 August | 45.3900 | .. |
| 9 August | 44.9800 | .. |
| 10 August | 44.0500 | .. |
| 11 August | 46.0400 | .. |
| 12 August | 46.9700 | .. |
| 15 August | 48.3500 | .. |
| 16 August | 49.2300 | .. |
| 17 August | 49.8500 | .. |
| 18 August | 50.8900 | .. |
| 19 August | 50.8800 | .. |
| 22 August | 49.1600 | .. |
| 23 August | 49.9600 | .. |
| 24 August | 49.0500 | .. |
| 25 August | 49.6700 | .. |
| 26 August | 49.9200 | .. |
| 29 August | 49.2600 | .. |
| 30 August | 48.3700 | .. |
| 31 August | 47.0400 | .. |