| Day | Rate | Set date |
|---|---|---|
| 2 July | 71.0900 | .. |
| 3 July | 71.4100 | .. |
| 5 July | 71.8100 | .. |
| 6 July | 72.8100 | .. |
| 9 July | 72.1900 | .. |
| 10 July | 72.8100 | .. |
| 11 July | 72.5600 | .. |
| 12 July | 72.5000 | .. |
| 13 July | 73.9300 | .. |
| 16 July | 74.1500 | .. |
| 17 July | 74.0200 | .. |
| 18 July | 75.0500 | .. |
| 19 July | 75.9200 | .. |
| 20 July | 75.5700 | .. |
| 23 July | 74.8900 | .. |
| 24 July | 73.5600 | .. |
| 25 July | 75.8800 | .. |
| 26 July | 74.9500 | .. |
| 27 July | 77.0200 | .. |
| 30 July | 76.8300 | .. |
| 31 July | 78.2100 | .. |