| Day | Rate | Set date |
|---|---|---|
| 1 August | 72.3900 | .. |
| 2 August | 73.4500 | .. |
| 3 August | 73.2100 | .. |
| 6 August | 73.7500 | .. |
| 7 August | 74.6500 | .. |
| 8 August | 72.2800 | .. |
| 9 August | 72.0700 | .. |
| 10 August | 72.8100 | .. |
| 13 August | 72.6100 | .. |
| 14 August | 72.4600 | .. |
| 15 August | 70.7600 | .. |
| 16 August | 71.4300 | .. |
| 17 August | 71.8300 | .. |
| 20 August | 72.2100 | .. |
| 21 August | 72.6300 | .. |
| 22 August | 74.7800 | .. |
| 23 August | 74.7300 | .. |
| 24 August | 75.8200 | .. |
| 27 August | 76.2100 | .. |
| 28 August | 75.9500 | .. |
| 29 August | 77.1400 | .. |
| 30 August | 77.7700 | .. |
| 31 August | 77.4200 | .. |