| Day | Rate | Set date |
|---|---|---|
| 1 July | 62.0100 | .. |
| 2 July | 62.0700 | .. |
| 3 July | 60.3200 | .. |
| 6 July | 56.5400 | .. |
| 7 July | 56.8500 | .. |
| 8 July | 57.0500 | .. |
| 9 July | 58.6100 | .. |
| 10 July | 58.7300 | .. |
| 13 July | 57.8500 | .. |
| 14 July | 58.5100 | .. |
| 15 July | 57.0500 | .. |
| 16 July | 57.5100 | .. |
| 17 July | 57.1000 | .. |
| 20 July | 56.6500 | .. |
| 21 July | 57.0400 | .. |
| 22 July | 56.1300 | .. |
| 23 July | 55.2700 | .. |
| 24 July | 54.6200 | .. |
| 27 July | 53.4700 | .. |
| 28 July | 53.3000 | .. |
| 29 July | 53.3800 | .. |
| 30 July | 53.3100 | .. |
| 31 July | 52.2100 | .. |