| Day | Rate | Set date |
|---|---|---|
| 1 August | 21.5400 | .. |
| 2 August | 23.1100 | .. |
| 3 August | 24.4900 | .. |
| 6 August | 28.0500 | .. |
| 7 August | 28.3100 | .. |
| 8 August | 25.9600 | .. |
| 9 August | 25.6700 | .. |
| 10 August | 26.2300 | .. |
| 13 August | 26.7700 | .. |
| 14 August | 26.4200 | .. |
| 15 August | 26.4600 | .. |
| 16 August | 27.3600 | .. |
| 17 August | 28.6300 | .. |
| 20 August | 28.5600 | .. |
| 21 August | 28.4100 | .. |
| 22 August | 31.2200 | .. |
| 23 August | 31.9300 | .. |
| 24 August | 30.9100 | .. |
| 27 August | 26.9100 | .. |
| 28 August | 27.8800 | .. |
| 29 August | 25.9200 | .. |
| 30 August | 26.7700 | .. |
| 31 August | 27.3200 | .. |