| Day | Rate | Set date |
|---|---|---|
| 1 July | 72.9500 | .. |
| 2 July | 72.1400 | .. |
| 6 July | 71.9800 | .. |
| 7 July | 74.0700 | .. |
| 8 July | 75.4400 | .. |
| 9 July | 76.0900 | .. |
| 12 July | 74.9500 | .. |
| 13 July | 77.1500 | .. |
| 14 July | 77.0400 | .. |
| 15 July | 76.6200 | .. |
| 16 July | 76.0100 | .. |
| 19 July | 76.5400 | .. |
| 20 July | 77.4400 | .. |
| 21 July | 76.5600 | .. |
| 22 July | 79.3000 | .. |
| 23 July | 78.9800 | .. |
| 26 July | 78.9800 | .. |
| 27 July | 77.5000 | .. |
| 28 July | 76.9900 | .. |
| 29 July | 78.3600 | .. |
| 30 July | 78.9500 | .. |