| Day | Rate | Set date |
|---|---|---|
| 1 July | 75.2300 | .. |
| 2 July | 75.1600 | .. |
| 4 July | 75.1400 | .. |
| 5 July | 76.2500 | .. |
| 6 July | 73.3700 | .. |
| 7 July | 72.2000 | .. |
| 8 July | 72.9400 | .. |
| 9 July | 74.5600 | .. |
| 12 July | 74.1000 | .. |
| 13 July | 75.2500 | .. |
| 14 July | 73.1300 | .. |
| 15 July | 71.6500 | .. |
| 16 July | 71.8100 | .. |
| 19 July | 66.4200 | .. |
| 20 July | 67.4200 | .. |
| 21 July | 70.3000 | .. |
| 22 July | 71.9100 | .. |
| 23 July | 72.0700 | .. |
| 26 July | 71.9100 | .. |
| 27 July | 71.6500 | .. |
| 28 July | 72.3900 | .. |
| 29 July | 73.6200 | .. |
| 30 July | 73.9500 | .. |