| Day | Rate | Set date |
|---|---|---|
| 1 August | 75.3500 | .. |
| 2 August | 75.7600 | .. |
| 3 August | 74.7500 | .. |
| 6 August | 71.1700 | .. |
| 7 August | 71.8000 | .. |
| 8 August | 70.9900 | .. |
| 9 August | 70.2100 | .. |
| 10 August | 70.3900 | .. |
| 13 August | 70.2300 | .. |
| 14 August | 70.5100 | .. |
| 15 August | 71.6400 | .. |
| 16 August | 69.4200 | .. |
| 17 August | 70.4400 | .. |
| 20 August | 69.8500 | .. |
| 21 August | 68.6900 | .. |
| 22 August | 68.7000 | .. |
| 23 August | 69.8600 | .. |
| 24 August | 70.6200 | .. |
| 27 August | 70.9500 | .. |
| 28 August | 70.5500 | .. |
| 29 August | 72.1300 | .. |
| 30 August | 71.9000 | .. |
| 31 August | 72.6900 | .. |