| Day | Rate | Set date |
|---|---|---|
| 1 July | 21.5300 | .. |
| 2 July | 21.1300 | .. |
| 3 July | 21.2100 | .. |
| 8 July | 21.2700 | .. |
| 9 July | 21.4100 | .. |
| 10 July | 21.5500 | .. |
| 11 July | 21.9500 | .. |
| 12 July | 21.9000 | .. |
| 15 July | 22.4800 | .. |
| 16 July | 22.3800 | .. |
| 17 July | 21.8000 | .. |
| 18 July | 21.6800 | .. |
| 19 July | 21.0000 | .. |
| 22 July | 21.4000 | .. |
| 23 July | 21.0100 | .. |
| 24 July | 20.6800 | .. |
| 25 July | 20.7400 | .. |
| 26 July | 20.1100 | .. |
| 29 July | 20.2800 | .. |
| 30 July | 20.3300 | .. |
| 31 July | 20.4200 | .. |