| Day | Rate | Set date |
|---|---|---|
| 3 September | 78.1500 | .. |
| 4 September | 78.1700 | .. |
| 5 September | 77.2700 | .. |
| 6 September | 76.5000 | .. |
| 7 September | 76.8300 | .. |
| 10 September | 77.3700 | .. |
| 11 September | 79.0600 | .. |
| 12 September | 79.7400 | .. |
| 13 September | 78.1800 | .. |
| 14 September | 78.0900 | .. |
| 17 September | 78.0500 | .. |
| 18 September | 79.0300 | .. |
| 19 September | 79.4000 | .. |
| 20 September | 78.7000 | .. |
| 21 September | 78.8000 | .. |
| 24 September | 81.2000 | .. |
| 25 September | 81.8700 | .. |
| 26 September | 81.3400 | .. |
| 27 September | 81.7200 | .. |
| 28 September | 82.7200 | .. |