| Day | Rate | Set date |
|---|---|---|
| 1 July | 59.0900 | .. |
| 2 July | 56.2500 | .. |
| 3 July | 57.3400 | .. |
| 4 July | 56.8000 | .. |
| 5 July | 57.5100 | .. |
| 8 July | 57.6600 | .. |
| 9 July | 57.8300 | .. |
| 10 July | 60.4300 | .. |
| 11 July | 60.2000 | .. |
| 12 July | 60.2100 | .. |
| 15 July | 59.5800 | .. |
| 16 July | 57.6200 | .. |
| 17 July | 56.7800 | .. |
| 18 July | 55.3000 | .. |
| 19 July | 55.6300 | .. |
| 22 July | 56.2200 | .. |
| 23 July | 56.7700 | .. |
| 24 July | 55.8800 | .. |
| 25 July | 56.0200 | .. |
| 26 July | 56.2000 | .. |
| 29 July | 56.8700 | .. |
| 30 July | 58.0500 | .. |
| 31 July | 58.5800 | .. |