| Day | Rate | Set date |
|---|---|---|
| 2 September | 58.6600 | .. |
| 3 September | 58.2600 | .. |
| 4 September | 60.7000 | .. |
| 5 September | 60.9500 | .. |
| 6 September | 61.5400 | .. |
| 9 September | 62.5900 | .. |
| 10 September | 62.3800 | .. |
| 11 September | 60.8100 | .. |
| 12 September | 60.3800 | .. |
| 13 September | 60.2200 | .. |
| 16 September | 69.0200 | .. |
| 17 September | 64.5500 | .. |
| 18 September | 63.6000 | .. |
| 19 September | 64.4000 | .. |
| 20 September | 64.2800 | .. |
| 23 September | 64.7700 | .. |
| 24 September | 63.1000 | .. |
| 25 September | 62.3900 | .. |
| 26 September | 62.7400 | .. |
| 27 September | 61.9100 | .. |
| 30 September | 60.7800 | .. |