| Day | Rate | Set date |
|---|---|---|
| 1 September | 76.3500 | .. |
| 2 September | 76.9300 | .. |
| 3 September | 76.6700 | .. |
| 6 September | 76.8700 | .. |
| 7 September | 77.7400 | .. |
| 8 September | 78.1700 | .. |
| 9 September | 77.4700 | .. |
| 10 September | 78.1600 | .. |
| 13 September | 79.0300 | .. |
| 14 September | 79.1600 | .. |
| 15 September | 78.9100 | .. |
| 16 September | 78.4800 | .. |
| 17 September | 78.2100 | .. |
| 20 September | 79.3200 | .. |
| 21 September | 78.4200 | .. |
| 22 September | 77.9500 | .. |
| 23 September | 78.1100 | .. |
| 24 September | 78.8700 | .. |
| 27 September | 78.5700 | .. |
| 28 September | 78.7100 | .. |
| 29 September | 80.7700 | .. |
| 30 September | 82.3100 | .. |