| Day | Rate | Set date |
|---|---|---|
| 1 August | 26.7700 | .. |
| 2 August | 27.7100 | .. |
| 3 August | 27.6200 | .. |
| 6 August | 27.7400 | .. |
| 7 August | 27.9400 | .. |
| 8 August | 27.5400 | .. |
| 9 August | 27.6400 | .. |
| 10 August | 28.0500 | .. |
| 13 August | 27.8200 | .. |
| 14 August | 28.0100 | .. |
| 15 August | 27.5600 | .. |
| 16 August | 27.4000 | .. |
| 17 August | 26.6800 | .. |
| 20 August | 27.1800 | .. |
| 21 August | 27.9100 | .. |
| 22 August | 26.3700 | .. |
| 23 August | 26.6300 | .. |
| 24 August | 26.9000 | .. |
| 27 August | 26.6700 | .. |
| 28 August | 27.1700 | .. |
| 29 August | 27.0500 | .. |
| 30 August | 26.5500 | .. |
| 31 August | 27.2000 | .. |