| Day | Rate | Set date |
|---|---|---|
| 1 August | 76.5300 | .. |
| 2 August | 76.8600 | .. |
| 3 August | 75.4800 | .. |
| 6 August | 72.0600 | .. |
| 7 August | 72.4200 | .. |
| 8 August | 72.1500 | .. |
| 9 August | 71.5900 | .. |
| 10 August | 71.4700 | .. |
| 13 August | 71.6200 | .. |
| 14 August | 72.3800 | .. |
| 15 August | 73.3300 | .. |
| 16 August | 71.0000 | .. |
| 17 August | 71.9800 | .. |
| 20 August | 71.1200 | .. |
| 21 August | 69.4700 | .. |
| 22 August | 69.2600 | .. |
| 23 August | 69.8300 | .. |
| 24 August | 71.0900 | .. |
| 27 August | 71.9700 | .. |
| 28 August | 71.7300 | .. |
| 29 August | 73.5100 | .. |
| 30 August | 73.3600 | .. |
| 31 August | 74.0400 | .. |