| Day | Rate | Set date |
|---|---|---|
| 1 July | 30.4000 | .. |
| 2 July | 30.1500 | .. |
| 3 July | 30.4200 | .. |
| 7 July | 30.1300 | .. |
| 8 July | 30.2200 | .. |
| 9 July | 30.8800 | .. |
| 10 July | 31.0600 | .. |
| 11 July | 31.2800 | .. |
| 14 July | 31.2700 | .. |
| 15 July | 31.6200 | .. |
| 16 July | 31.0500 | .. |
| 17 July | 31.4100 | .. |
| 18 July | 31.9600 | .. |
| 21 July | 31.7800 | .. |
| 22 July | 30.1900 | .. |
| 23 July | 29.6700 | .. |
| 24 July | 30.2200 | .. |
| 25 July | 30.1700 | .. |
| 28 July | 30.1100 | .. |
| 29 July | 30.2400 | .. |
| 30 July | 30.6800 | .. |
| 31 July | 30.5400 | .. |