| Day | Rate | Set date |
|---|---|---|
| 1 May | 12.0605 | 01.05.2015 |
| 4 May | 12.0597 | 04.05.2015 |
| 5 May | 11.9815 | 05.05.2015 |
| 6 May | 12.0170 | 06.05.2015 |
| 7 May | 12.0150 | 07.05.2015 |
| 8 May | 11.9260 | 08.05.2015 |
| 11 May | 12.0814 | 11.05.2015 |
| 12 May | 12.0665 | 12.05.2015 |
| 13 May | 11.8875 | 13.05.2015 |
| 14 May | 11.7859 | 14.05.2015 |
| 15 May | 11.7940 | 15.05.2015 |
| 18 May | 11.8780 | 18.05.2015 |
| 19 May | 11.9100 | 19.05.2015 |
| 20 May | 11.8340 | 20.05.2015 |
| 21 May | 11.8215 | 21.05.2015 |
| 22 May | 11.8950 | 22.05.2015 |
| 25 May | 11.9605 | 25.05.2015 |
| 26 May | 12.0850 | 26.05.2015 |
| 27 May | 12.0272 | 27.05.2015 |
| 28 May | 12.1395 | 28.05.2015 |
| 29 May | 12.1555 | 29.05.2015 |