| Day | Rate | Set date |
|---|---|---|
| 1 July | 65.0600 | .. |
| 2 July | 62.4000 | .. |
| 3 July | 63.8200 | .. |
| 4 July | 63.3000 | .. |
| 5 July | 64.2300 | .. |
| 8 July | 64.1100 | .. |
| 9 July | 64.1600 | .. |
| 10 July | 67.0100 | .. |
| 11 July | 66.5200 | .. |
| 12 July | 66.7200 | .. |
| 15 July | 66.4800 | .. |
| 16 July | 64.3500 | .. |
| 17 July | 63.6600 | .. |
| 18 July | 61.9300 | .. |
| 19 July | 62.4700 | .. |
| 22 July | 63.2600 | .. |
| 23 July | 63.8300 | .. |
| 24 July | 63.1800 | .. |
| 25 July | 63.3900 | .. |
| 26 July | 63.4600 | .. |
| 29 July | 63.7100 | .. |
| 30 July | 64.7200 | .. |
| 31 July | 65.1700 | .. |