| Day | Rate | Set date |
|---|---|---|
| 1 August | 53.9500 | .. |
| 2 August | 55.6600 | .. |
| 5 August | 54.6900 | .. |
| 6 August | 53.6300 | .. |
| 7 August | 51.0900 | .. |
| 8 August | 52.5400 | .. |
| 9 August | 54.5000 | .. |
| 12 August | 54.9300 | .. |
| 13 August | 57.1000 | .. |
| 14 August | 55.2300 | .. |
| 15 August | 54.4700 | .. |
| 16 August | 54.8700 | .. |
| 19 August | 56.2100 | .. |
| 20 August | 56.3400 | .. |
| 21 August | 55.6800 | .. |
| 22 August | 55.3500 | .. |
| 23 August | 54.1700 | .. |
| 26 August | 53.6400 | .. |
| 27 August | 54.9300 | .. |
| 28 August | 55.7800 | .. |
| 29 August | 56.7100 | .. |
| 30 August | 55.1000 | .. |