| Day | Rate | Set date |
|---|---|---|
| 4 September | 75.0800 | .. |
| 5 September | 75.7300 | .. |
| 6 September | 76.3000 | .. |
| 7 September | 76.7000 | .. |
| 10 September | 77.4900 | .. |
| 11 September | 78.2300 | .. |
| 12 September | 79.9100 | .. |
| 13 September | 80.0900 | .. |
| 14 September | 79.1000 | .. |
| 17 September | 80.5700 | .. |
| 18 September | 81.5100 | .. |
| 19 September | 81.9300 | .. |
| 20 September | 83.3200 | .. |
| 21 September | 81.6200 | .. |
| 24 September | 80.9500 | .. |
| 25 September | 79.5300 | .. |
| 26 September | 80.3000 | .. |
| 27 September | 82.8800 | .. |
| 28 September | 81.6600 | .. |