| Day | Rate | Set date |
|---|---|---|
| 1 August | 49.1600 | .. |
| 2 August | 49.5900 | .. |
| 3 August | 49.0300 | .. |
| 4 August | 49.5800 | .. |
| 7 August | 49.3900 | .. |
| 8 August | 49.1700 | .. |
| 9 August | 49.5600 | .. |
| 10 August | 48.5900 | .. |
| 11 August | 48.8200 | .. |
| 14 August | 47.5900 | .. |
| 15 August | 47.5500 | .. |
| 16 August | 46.7800 | .. |
| 17 August | 47.0900 | .. |
| 18 August | 48.5100 | .. |
| 21 August | 47.3700 | .. |
| 22 August | 47.6400 | .. |
| 23 August | 48.4100 | .. |
| 24 August | 47.4300 | .. |
| 25 August | 47.8700 | .. |
| 28 August | 46.5700 | .. |
| 29 August | 46.4400 | .. |
| 30 August | 45.9600 | .. |
| 31 August | 47.2300 | .. |