| Day | Rate | Set date |
|---|---|---|
| 2 May | 6.6970 | .. |
| 3 May | 6.5150 | .. |
| 4 May | 6.6300 | .. |
| 5 May | 6.6910 | .. |
| 6 May | 6.6210 | .. |
| 9 May | 6.6740 | .. |
| 10 May | 6.6940 | .. |
| 11 May | 6.6830 | .. |
| 12 May | 6.5110 | .. |
| 13 May | 6.5360 | .. |
| 16 May | 6.4460 | .. |
| 17 May | 6.4760 | .. |
| 18 May | 6.3920 | .. |
| 19 May | 6.3570 | .. |
| 20 May | 6.3430 | .. |
| 23 May | 6.4070 | .. |
| 24 May | 6.3490 | .. |
| 25 May | 6.3150 | .. |
| 26 May | 6.1230 | .. |
| 27 May | 6.3700 | .. |
| 31 May | 6.3790 | .. |