| Day | Rate | Set date |
|---|---|---|
| 1 August | 29.9900 | .. |
| 4 August | 29.5300 | .. |
| 5 August | 29.9300 | .. |
| 6 August | 29.4800 | .. |
| 7 August | 30.2500 | .. |
| 8 August | 29.9900 | .. |
| 11 August | 29.9100 | .. |
| 12 August | 29.8700 | .. |
| 13 August | 29.0100 | .. |
| 14 August | 28.8300 | .. |
| 15 August | 28.8100 | .. |
| 18 August | 28.6600 | .. |
| 19 August | 28.4700 | .. |
| 20 August | 28.8400 | .. |
| 21 August | 29.7100 | .. |
| 22 August | 29.7000 | .. |
| 26 August | 29.7700 | .. |
| 27 August | 29.1800 | .. |
| 28 August | 29.4400 | .. |
| 29 August | 29.4900 | .. |