| Day | Rate | Set date |
|---|---|---|
| 2 August | 39.9700 | .. |
| 3 August | 40.6400 | .. |
| 4 August | 39.7000 | .. |
| 5 August | 41.1200 | .. |
| 6 August | 40.6300 | .. |
| 9 August | 41.5600 | .. |
| 10 August | 41.2800 | .. |
| 11 August | 41.5700 | .. |
| 12 August | 42.2900 | .. |
| 13 August | 43.8800 | .. |
| 16 August | 43.6700 | .. |
| 17 August | 42.9900 | .. |
| 18 August | 43.0300 | .. |
| 19 August | 44.3300 | .. |
| 20 August | 43.5400 | .. |
| 23 August | 43.0300 | .. |
| 24 August | 42.3200 | .. |
| 25 August | 40.6800 | .. |
| 26 August | 40.3300 | .. |
| 27 August | 40.6400 | .. |
| 31 August | 39.6100 | .. |