| Day | Rate | Set date |
|---|---|---|
| 1 July | 68.7900 | .. |
| 2 July | 66.6500 | .. |
| 3 July | 65.6100 | .. |
| 6 July | 64.0500 | .. |
| 7 July | 63.2300 | .. |
| 8 July | 60.4300 | .. |
| 9 July | 61.1000 | .. |
| 10 July | 60.5200 | .. |
| 13 July | 60.6900 | .. |
| 14 July | 60.8600 | .. |
| 15 July | 63.0900 | .. |
| 16 July | 62.7500 | .. |
| 17 July | 65.3800 | .. |
| 20 July | 66.4400 | .. |
| 21 July | 66.8700 | .. |
| 22 July | 67.2100 | .. |
| 23 July | 69.2500 | .. |
| 24 July | 70.3200 | .. |
| 27 July | 70.8100 | .. |
| 28 July | 69.8800 | .. |
| 29 July | 66.5300 | .. |
| 30 July | 70.1100 | .. |
| 31 July | 71.7000 | .. |