| Day | Rate | Set date |
|---|---|---|
| 2 May | 45.8300 | .. |
| 3 May | 44.9700 | .. |
| 4 May | 44.6200 | .. |
| 5 May | 45.0100 | .. |
| 6 May | 45.3700 | .. |
| 9 May | 43.6300 | .. |
| 10 May | 45.5200 | .. |
| 11 May | 47.6000 | .. |
| 12 May | 48.0800 | .. |
| 13 May | 47.8300 | .. |
| 16 May | 48.9700 | .. |
| 17 May | 49.2800 | .. |
| 18 May | 48.9300 | .. |
| 19 May | 48.8100 | .. |
| 20 May | 48.7200 | .. |
| 23 May | 48.3500 | .. |
| 24 May | 48.6100 | .. |
| 25 May | 49.7400 | .. |
| 26 May | 49.5900 | .. |
| 27 May | 49.3200 | .. |
| 30 May | 49.7600 | .. |
| 31 May | 49.6900 | .. |