| Day | Rate | Set date |
|---|---|---|
| 1 August | 60.5000 | .. |
| 2 August | 61.8900 | .. |
| 5 August | 59.8100 | .. |
| 6 August | 58.9400 | .. |
| 7 August | 56.2300 | .. |
| 8 August | 57.3800 | .. |
| 9 August | 58.5300 | .. |
| 12 August | 58.5700 | .. |
| 13 August | 61.3000 | .. |
| 14 August | 59.4800 | .. |
| 15 August | 58.2300 | .. |
| 16 August | 58.6400 | .. |
| 19 August | 59.7400 | .. |
| 20 August | 60.0300 | .. |
| 21 August | 60.3000 | .. |
| 22 August | 59.9200 | .. |
| 23 August | 59.3400 | .. |
| 26 August | 58.7000 | .. |
| 27 August | 59.5100 | .. |
| 28 August | 60.4900 | .. |
| 29 August | 61.0800 | .. |
| 30 August | 60.4300 | .. |