| Day | Rate | Set date |
|---|---|---|
| 1 July | 69.3100 | .. |
| 2 July | 66.7300 | .. |
| 6 July | 64.0500 | .. |
| 7 July | 62.9300 | .. |
| 8 July | 60.1400 | .. |
| 9 July | 60.4100 | .. |
| 10 July | 59.8900 | .. |
| 13 July | 59.6900 | .. |
| 14 July | 59.5200 | .. |
| 15 July | 61.5400 | .. |
| 16 July | 62.0200 | .. |
| 17 July | 63.5600 | .. |
| 20 July | 63.9800 | .. |
| 21 July | 64.7200 | .. |
| 22 July | 65.4000 | .. |
| 23 July | 67.1600 | .. |
| 24 July | 68.0500 | .. |
| 27 July | 68.3800 | .. |
| 28 July | 67.2300 | .. |
| 29 July | 63.3500 | .. |
| 30 July | 66.9400 | .. |
| 31 July | 69.4500 | .. |