| Day | Rate | Set date |
|---|---|---|
| 2 July | 83.7500 | .. |
| 3 July | 87.6600 | .. |
| 5 July | 87.2200 | .. |
| 6 July | 84.4500 | .. |
| 9 July | 85.9900 | .. |
| 10 July | 83.9100 | .. |
| 11 July | 85.8100 | .. |
| 12 July | 86.0800 | .. |
| 13 July | 87.1000 | .. |
| 16 July | 88.4300 | .. |
| 17 July | 89.2200 | .. |
| 18 July | 89.8700 | .. |
| 19 July | 92.6600 | .. |
| 20 July | 91.4400 | .. |
| 23 July | 88.1400 | .. |
| 24 July | 88.5000 | .. |
| 25 July | 88.9700 | .. |
| 26 July | 89.3900 | .. |
| 27 July | 90.1300 | .. |
| 30 July | 89.7800 | .. |
| 31 July | 88.0600 | .. |