| Day | Rate | Set date |
|---|---|---|
| 1 June | 69.3900 | .. |
| 2 June | 71.0300 | .. |
| 5 June | 71.3700 | .. |
| 6 June | 70.8100 | .. |
| 7 June | 69.1900 | .. |
| 8 June | 69.0500 | .. |
| 9 June | 70.4800 | .. |
| 12 June | 68.9300 | .. |
| 13 June | 66.9200 | .. |
| 14 June | 66.9800 | .. |
| 15 June | 67.4300 | .. |
| 16 June | 68.8000 | .. |
| 19 June | 68.1100 | .. |
| 20 June | 68.0800 | .. |
| 21 June | 69.1700 | .. |
| 22 June | 69.9500 | .. |
| 23 June | 69.9300 | .. |
| 26 June | 70.7300 | .. |
| 27 June | 70.9800 | .. |
| 28 June | 71.4100 | .. |
| 29 June | 72.8800 | .. |
| 30 June | 73.5100 | .. |