| Day | Rate | Set date |
|---|---|---|
| 1 May | 5.2670 | .. |
| 2 May | 5.2550 | .. |
| 5 May | 5.6890 | .. |
| 6 May | 5.5680 | .. |
| 7 May | 5.6600 | .. |
| 8 May | 5.7720 | .. |
| 9 May | 5.8060 | .. |
| 12 May | 5.9830 | .. |
| 13 May | 6.3080 | .. |
| 14 May | 6.3140 | .. |
| 15 May | 6.1310 | .. |
| 16 May | 6.1220 | .. |
| 19 May | 6.0150 | .. |
| 20 May | 6.0560 | .. |
| 21 May | 6.1980 | .. |
| 22 May | 6.0350 | .. |
| 23 May | 6.1190 | .. |
| 27 May | 5.9000 | .. |
| 28 May | 5.9450 | .. |
| 29 May | 6.0660 | .. |
| 30 May | 6.2510 | .. |