| Day | Rate | Set date |
|---|---|---|
| 2 September | 69.9200 | .. |
| 3 September | 70.1200 | .. |
| 4 September | 69.8700 | .. |
| 5 September | 68.7200 | .. |
| 6 September | 67.7700 | .. |
| 7 September | 67.7500 | .. |
| 10 September | 67.5400 | .. |
| 11 September | 69.2500 | .. |
| 12 September | 70.3700 | .. |
| 13 September | 68.5900 | .. |
| 14 September | 68.9900 | .. |
| 17 September | 68.9100 | .. |
| 18 September | 69.8500 | .. |
| 19 September | 71.1200 | .. |
| 20 September | 70.8000 | .. |
| 21 September | 70.7800 | .. |
| 24 September | 72.0800 | .. |
| 25 September | 72.2800 | .. |
| 26 September | 71.5700 | .. |
| 27 September | 72.1200 | .. |
| 28 September | 73.2500 | .. |