| Day | Rate | Set date |
|---|---|---|
| 1 July | 14.6000 | .. |
| 4 July | 14.3500 | .. |
| 5 July | 14.3000 | .. |
| 6 July | 14.6800 | .. |
| 7 July | 15.4500 | .. |
| 8 July | 15.0500 | .. |
| 11 July | 14.5000 | .. |
| 12 July | 14.1000 | .. |
| 13 July | 14.1700 | .. |
| 14 July | 14.0600 | .. |
| 15 July | 14.1800 | .. |
| 18 July | 14.8000 | .. |
| 19 July | 15.0800 | .. |
| 20 July | 15.1300 | .. |
| 21 July | 15.4500 | .. |
| 22 July | 15.7100 | .. |
| 25 July | 15.6900 | .. |
| 26 July | 15.3200 | .. |
| 27 July | 15.4200 | .. |
| 28 July | 15.6700 | .. |
| 29 July | 15.7000 | .. |