| Day | Rate | Set date |
|---|---|---|
| 1 August | 74.9100 | .. |
| 2 August | 75.8100 | .. |
| 3 August | 75.4600 | .. |
| 4 August | 74.7600 | .. |
| 7 August | 76.9800 | .. |
| 8 August | 76.3100 | .. |
| 9 August | 76.3500 | .. |
| 10 August | 74.0000 | .. |
| 11 August | 74.3500 | .. |
| 14 August | 73.5300 | .. |
| 15 August | 73.0500 | .. |
| 16 August | 71.8900 | .. |
| 17 August | 70.0600 | .. |
| 18 August | 71.1400 | .. |
| 21 August | 72.4500 | .. |
| 22 August | 72.6300 | .. |
| 23 August | 71.7600 | .. |
| 24 August | 72.3600 | .. |
| 25 August | 72.5100 | .. |
| 28 August | 70.6100 | .. |
| 29 August | 69.7100 | .. |
| 30 August | 70.0300 | .. |
| 31 August | 70.2600 | .. |