| Day | Rate | Set date |
|---|---|---|
| 1 July | 17.5700 | .. |
| 4 July | 17.4700 | .. |
| 5 July | 17.3800 | .. |
| 6 July | 17.0600 | .. |
| 7 July | 17.0800 | .. |
| 8 July | 17.3700 | .. |
| 11 July | 17.9600 | .. |
| 12 July | 18.2600 | .. |
| 13 July | 18.3300 | .. |
| 14 July | 18.5900 | .. |
| 15 July | 17.7700 | .. |
| 18 July | 17.3800 | .. |
| 19 July | 17.4900 | .. |
| 20 July | 17.4600 | .. |
| 21 July | 17.6800 | .. |
| 22 July | 17.8400 | .. |
| 25 July | 17.5700 | .. |
| 26 July | 17.6500 | .. |
| 27 July | 17.8900 | .. |
| 28 July | 18.1800 | .. |
| 29 July | 18.5900 | .. |