| Day | Rate | Set date |
|---|---|---|
| 3 August | 49.5200 | .. |
| 4 August | 49.9900 | .. |
| 5 August | 49.5900 | .. |
| 6 August | 49.5200 | .. |
| 7 August | 48.6100 | .. |
| 10 August | 50.4100 | .. |
| 11 August | 49.1800 | .. |
| 12 August | 49.6600 | .. |
| 13 August | 49.2200 | .. |
| 14 August | 49.0300 | .. |
| 17 August | 48.7400 | .. |
| 18 August | 48.8100 | .. |
| 19 August | 47.1600 | .. |
| 20 August | 46.6200 | .. |
| 21 August | 45.4600 | .. |
| 24 August | 42.6900 | .. |
| 25 August | 43.2100 | .. |
| 26 August | 43.1400 | .. |
| 27 August | 47.5600 | .. |
| 28 August | 50.0500 | .. |
| 31 August | 54.1500 | .. |