| Day | Rate | Set date |
|---|---|---|
| 3 September | 23.4000 | .. |
| 4 September | 23.2400 | .. |
| 5 September | 23.4400 | .. |
| 6 September | 23.8500 | .. |
| 9 September | 23.7300 | .. |
| 10 September | 24.1200 | .. |
| 11 September | 24.7500 | .. |
| 12 September | 25.0000 | .. |
| 13 September | 24.5100 | .. |
| 16 September | 23.1900 | .. |
| 17 September | 23.3100 | .. |
| 18 September | 23.8900 | .. |
| 19 September | 23.5400 | .. |
| 20 September | 23.6300 | .. |
| 23 September | 23.3700 | .. |
| 24 September | 24.0700 | .. |
| 25 September | 24.4600 | .. |
| 26 September | 24.1600 | .. |
| 27 September | 24.6000 | .. |
| 30 September | 24.3800 | .. |