| Day | Rate | Set date |
|---|---|---|
| 1 August | 15.5600 | .. |
| 2 August | 15.3800 | .. |
| 3 August | 15.0000 | .. |
| 4 August | 14.4800 | .. |
| 5 August | 14.6300 | .. |
| 8 August | 15.3000 | .. |
| 9 August | 15.3400 | .. |
| 10 August | 15.0800 | .. |
| 11 August | 15.0900 | .. |
| 12 August | 15.2000 | .. |
| 15 August | 14.9300 | .. |
| 16 August | 15.0200 | .. |
| 17 August | 14.9500 | .. |
| 18 August | 15.0300 | .. |
| 19 August | 15.1000 | .. |
| 22 August | 15.2000 | .. |
| 23 August | 14.9900 | .. |
| 24 August | 15.0900 | .. |
| 25 August | 14.8800 | .. |
| 26 August | 14.7000 | .. |
| 30 August | 14.6500 | .. |
| 31 August | 14.6000 | .. |