| Day | Rate | Set date |
|---|---|---|
| 1 July | 48.9900 | .. |
| 3 July | 49.0100 | .. |
| 4 July | 48.6500 | .. |
| 5 July | 46.6000 | .. |
| 6 July | 47.4300 | .. |
| 7 July | 45.1400 | .. |
| 8 July | 45.4100 | .. |
| 11 July | 44.7600 | .. |
| 12 July | 46.8000 | .. |
| 13 July | 44.7500 | .. |
| 14 July | 45.6800 | .. |
| 15 July | 45.9500 | .. |
| 18 July | 45.2400 | .. |
| 19 July | 44.6500 | .. |
| 20 July | 44.9400 | .. |
| 21 July | 44.7500 | .. |
| 22 July | 44.1900 | .. |
| 25 July | 43.1300 | .. |
| 26 July | 42.9200 | .. |
| 27 July | 41.9200 | .. |
| 28 July | 41.1400 | .. |
| 29 July | 41.6000 | .. |