| Day | Rate | Set date |
|---|---|---|
| 1 August | 75.8900 | .. |
| 2 August | 76.8900 | .. |
| 3 August | 76.5600 | .. |
| 4 August | 76.1700 | .. |
| 7 August | 78.3000 | .. |
| 8 August | 77.5500 | .. |
| 9 August | 77.2800 | .. |
| 10 August | 75.2800 | .. |
| 11 August | 75.6300 | .. |
| 14 August | 74.3000 | .. |
| 15 August | 73.8000 | .. |
| 16 August | 73.0800 | .. |
| 17 August | 71.5800 | .. |
| 18 August | 72.3000 | .. |
| 21 August | 73.3800 | .. |
| 22 August | 73.2400 | .. |
| 23 August | 72.0200 | .. |
| 24 August | 72.6800 | .. |
| 25 August | 72.7000 | .. |
| 28 August | 70.8200 | .. |
| 29 August | 69.8600 | .. |
| 30 August | 70.1800 | .. |
| 31 August | 70.2500 | .. |