| Day | Rate | Set date |
|---|---|---|
| 2 August | 80.8200 | .. |
| 3 August | 82.6800 | .. |
| 4 August | 82.2000 | .. |
| 5 August | 81.6100 | .. |
| 6 August | 80.1600 | .. |
| 9 August | 80.9900 | .. |
| 10 August | 79.6000 | .. |
| 11 August | 77.6400 | .. |
| 12 August | 75.5200 | .. |
| 13 August | 75.1100 | .. |
| 16 August | 74.8500 | .. |
| 17 August | 76.9300 | .. |
| 18 August | 76.4700 | .. |
| 19 August | 75.3000 | .. |
| 20 August | 74.2600 | .. |
| 23 August | 73.6200 | .. |
| 24 August | 72.3800 | .. |
| 25 August | 73.4800 | .. |
| 26 August | 75.0200 | .. |
| 27 August | 76.6500 | .. |
| 30 August | 76.6000 | .. |
| 31 August | 74.6400 | .. |