| Day | Rate | Set date |
|---|---|---|
| 1 September | 73.9100 | .. |
| 2 September | 75.0200 | .. |
| 3 September | 74.6000 | .. |
| 7 September | 74.0900 | .. |
| 8 September | 74.6700 | .. |
| 9 September | 74.2500 | .. |
| 10 September | 76.4500 | .. |
| 13 September | 77.1900 | .. |
| 14 September | 76.8000 | .. |
| 15 September | 76.0200 | .. |
| 16 September | 74.5700 | .. |
| 17 September | 73.6600 | .. |
| 20 September | 74.8600 | .. |
| 21 September | 73.5200 | .. |
| 22 September | 74.7100 | .. |
| 23 September | 75.1800 | .. |
| 24 September | 76.4900 | .. |
| 27 September | 76.5200 | .. |
| 28 September | 76.1800 | .. |
| 29 September | 77.8600 | .. |
| 30 September | 79.9700 | .. |