| Day | Rate | Set date |
|---|---|---|
| 1 July | 56.9600 | .. |
| 2 July | 56.9300 | .. |
| 3 July | 55.5200 | .. |
| 6 July | 52.5300 | .. |
| 7 July | 52.3300 | .. |
| 8 July | 51.6500 | .. |
| 9 July | 52.7800 | .. |
| 10 July | 52.7400 | .. |
| 13 July | 52.2000 | .. |
| 14 July | 53.0400 | .. |
| 15 July | 51.4100 | .. |
| 16 July | 50.9100 | .. |
| 17 July | 50.8900 | .. |
| 20 July | 50.1500 | .. |
| 21 July | 50.3600 | .. |
| 22 July | 49.1900 | .. |
| 23 July | 48.4500 | .. |
| 24 July | 48.1400 | .. |
| 27 July | 47.3900 | .. |
| 28 July | 47.9800 | .. |
| 29 July | 48.7900 | .. |
| 30 July | 48.5200 | .. |
| 31 July | 47.1200 | .. |