| Day | Rate | Set date |
|---|---|---|
| 1 May | 3.2160 | .. |
| 2 May | 3.2170 | .. |
| 3 May | 3.1260 | .. |
| 4 May | 3.1070 | .. |
| 5 May | 3.0250 | .. |
| 8 May | 3.1700 | .. |
| 9 May | 3.1830 | .. |
| 10 May | 3.3170 | .. |
| 11 May | 3.3520 | .. |
| 12 May | 3.3540 | .. |
| 15 May | 3.3960 | .. |
| 16 May | 3.4480 | .. |
| 17 May | 3.6890 | .. |
| 18 May | 3.7100 | .. |
| 19 May | 3.8250 | .. |
| 22 May | 3.7470 | .. |
| 23 May | 3.8140 | .. |
| 24 May | 4.0730 | .. |
| 25 May | 4.2360 | .. |
| 26 May | 4.4060 | .. |
| 30 May | 4.3540 | .. |
| 31 May | 4.3560 | .. |