| Day | Rate | Set date |
|---|---|---|
| 2 July | 29.5900 | .. |
| 3 July | 29.5000 | .. |
| 5 July | 29.5700 | .. |
| 6 July | 29.6500 | .. |
| 9 July | 29.4700 | .. |
| 10 July | 29.4000 | .. |
| 11 July | 29.3500 | .. |
| 12 July | 29.0800 | .. |
| 13 July | 28.9500 | .. |
| 16 July | 28.8800 | .. |
| 17 July | 28.9900 | .. |
| 18 July | 28.8200 | .. |
| 19 July | 28.6900 | .. |
| 20 July | 28.4800 | .. |
| 23 July | 28.3500 | .. |
| 24 July | 28.1500 | .. |
| 25 July | 28.0000 | .. |
| 26 July | 27.7700 | .. |
| 27 July | 27.7000 | .. |
| 30 July | 27.6400 | .. |
| 31 July | 27.6000 | .. |