| Day | Rate | Set date |
|---|---|---|
| 3 May | 50.5200 | .. |
| 4 May | 50.9700 | .. |
| 5 May | 51.1300 | .. |
| 6 May | 50.7700 | .. |
| 9 May | 51.2900 | .. |
| 10 May | 51.4300 | .. |
| 11 May | 50.0700 | .. |
| 12 May | 48.3400 | .. |
| 13 May | 48.6600 | .. |
| 16 May | 48.0500 | .. |
| 17 May | 49.3400 | .. |
| 18 May | 48.1500 | .. |
| 19 May | 47.8800 | .. |
| 20 May | 48.0300 | .. |
| 23 May | 48.3700 | .. |
| 24 May | 48.8200 | .. |
| 25 May | 50.0700 | .. |
| 26 May | 50.1600 | .. |
| 27 May | 50.7000 | .. |
| 31 May | 50.7300 | .. |