| Day | Rate | Set date |
|---|---|---|
| 1 May | 2.7079 | 01.05.2015 |
| 4 May | 2.7130 | 04.05.2015 |
| 5 May | 2.7045 | 05.05.2015 |
| 6 May | 2.6928 | 06.05.2015 |
| 7 May | 2.6852 | 07.05.2015 |
| 8 May | 2.6953 | 08.05.2015 |
| 11 May | 2.6938 | 11.05.2015 |
| 12 May | 2.6635 | 12.05.2015 |
| 13 May | 2.6307 | 13.05.2015 |
| 14 May | 2.5909 | 14.05.2015 |
| 15 May | 2.5759 | 15.05.2015 |
| 18 May | 2.5806 | 18.05.2015 |
| 19 May | 2.5935 | 19.05.2015 |
| 20 May | 2.5776 | 20.05.2015 |
| 21 May | 2.5889 | 21.05.2015 |
| 22 May | 2.5991 | 22.05.2015 |
| 25 May | 2.6155 | 25.05.2015 |
| 26 May | 2.6417 | 26.05.2015 |
| 27 May | 2.6421 | 27.05.2015 |
| 28 May | 2.6543 | 28.05.2015 |
| 29 May | 2.6630 | 29.05.2015 |