| Day | Rate | Set date |
|---|---|---|
| 1 June | 17.5800 | .. |
| 2 June | 17.6500 | .. |
| 3 June | 17.5000 | .. |
| 6 June | 17.2600 | .. |
| 7 June | 17.3700 | .. |
| 8 June | 17.3300 | .. |
| 9 June | 17.0700 | .. |
| 10 June | 16.7300 | .. |
| 13 June | 16.4300 | .. |
| 14 June | 16.8300 | .. |
| 15 June | 16.5300 | .. |
| 16 June | 16.6600 | .. |
| 17 June | 16.4500 | .. |
| 20 June | 16.0000 | .. |
| 21 June | 15.8900 | .. |
| 22 June | 15.8900 | .. |
| 23 June | 16.3700 | .. |
| 24 June | 16.0100 | .. |
| 27 June | 15.8600 | .. |
| 28 June | 15.7800 | .. |
| 29 June | 15.4300 | .. |
| 30 June | 15.1600 | .. |