| Day | Rate | Set date |
|---|---|---|
| 3 June | 19.8500 | .. |
| 4 June | 20.4400 | .. |
| 5 June | 19.7200 | .. |
| 6 June | 20.0500 | .. |
| 7 June | 20.2800 | .. |
| 10 June | 20.2500 | .. |
| 11 June | 20.1000 | .. |
| 12 June | 20.0900 | .. |
| 13 June | 20.0100 | .. |
| 14 June | 20.3400 | .. |
| 17 June | 22.1400 | .. |
| 18 June | 21.4600 | .. |
| 19 June | 20.7600 | .. |
| 20 June | 20.6500 | .. |
| 21 June | 19.9200 | .. |
| 24 June | 19.9800 | .. |
| 25 June | 19.9600 | .. |
| 26 June | 20.6500 | .. |
| 27 June | 21.0200 | .. |
| 28 June | 20.9200 | .. |