| Day | Rate | Set date |
|---|---|---|
| 1 August | 60.4400 | .. |
| 2 August | 60.6200 | .. |
| 3 August | 59.6500 | .. |
| 4 August | 60.1200 | .. |
| 5 August | 61.0700 | .. |
| 8 August | 62.7000 | .. |
| 9 August | 61.9800 | .. |
| 10 August | 63.9900 | .. |
| 11 August | 65.3800 | .. |
| 12 August | 66.4500 | .. |
| 15 August | 65.5800 | .. |
| 16 August | 65.4100 | .. |
| 17 August | 62.5600 | .. |
| 18 August | 62.4000 | .. |
| 19 August | 64.3600 | .. |
| 22 August | 64.5000 | .. |
| 23 August | 64.6500 | .. |
| 24 August | 66.0100 | .. |
| 25 August | 66.2700 | .. |
| 26 August | 64.8700 | .. |
| 30 August | 67.5700 | .. |
| 31 August | 67.0200 | .. |