| Day | Rate | Set date |
|---|---|---|
| 1 September | 47.2900 | .. |
| 3 September | 47.3200 | .. |
| 4 September | 47.4100 | .. |
| 5 September | 48.6600 | .. |
| 6 September | 49.1600 | .. |
| 7 September | 49.0900 | .. |
| 8 September | 47.4800 | .. |
| 11 September | 48.0700 | .. |
| 12 September | 48.2300 | .. |
| 13 September | 49.3000 | .. |
| 14 September | 49.8900 | .. |
| 15 September | 49.8900 | .. |
| 18 September | 49.9100 | .. |
| 19 September | 49.4800 | .. |
| 20 September | 50.4100 | .. |
| 21 September | 50.5500 | .. |
| 22 September | 50.6600 | .. |
| 25 September | 52.2200 | .. |
| 26 September | 51.8800 | .. |
| 27 September | 52.1400 | .. |
| 28 September | 51.5600 | .. |
| 29 September | 51.6700 | .. |