| Day | Rate | Set date |
|---|---|---|
| 2 June | 20.9800 | .. |
| 3 June | 20.3300 | .. |
| 4 June | 20.1200 | .. |
| 5 June | 19.6600 | .. |
| 6 June | 18.7900 | .. |
| 9 June | 18.6800 | .. |
| 10 June | 18.6700 | .. |
| 11 June | 18.5300 | .. |
| 12 June | 18.6900 | .. |
| 13 June | 18.8300 | .. |
| 16 June | 19.0100 | .. |
| 17 June | 19.2300 | .. |
| 18 June | 18.7900 | .. |
| 19 June | 18.6700 | .. |
| 20 June | 18.6500 | .. |
| 23 June | 19.1400 | .. |
| 24 June | 19.0300 | .. |
| 25 June | 19.5200 | .. |
| 26 June | 19.0900 | .. |
| 27 June | 19.4600 | .. |
| 30 June | 19.8000 | .. |