| Day | Rate | Set date |
|---|---|---|
| 1 August | 32.1200 | .. |
| 2 August | 32.2000 | .. |
| 3 August | 32.2000 | .. |
| 4 August | 32.1400 | .. |
| 5 August | 32.1500 | .. |
| 8 August | 32.0500 | .. |
| 9 August | 31.9400 | .. |
| 10 August | 32.1400 | .. |
| 11 August | 31.9500 | .. |
| 12 August | 31.9900 | .. |
| 15 August | 32.0000 | .. |
| 16 August | 31.9800 | .. |
| 17 August | 31.8700 | .. |
| 18 August | 31.7200 | .. |
| 19 August | 31.6500 | .. |
| 22 August | 31.5300 | .. |
| 23 August | 31.6500 | .. |
| 24 August | 31.5700 | .. |
| 25 August | 31.7300 | .. |
| 26 August | 31.8000 | .. |
| 29 August | 31.6600 | .. |
| 30 August | 31.6800 | .. |
| 31 August | 31.5900 | .. |