| Day | Rate | Set date |
|---|---|---|
| 2 May | 4.0250 | 30.04.2015 |
| 3 May | 4.0250 | 30.04.2015 |
| 4 May | 4.0480 | 04.05.2015 |
| 5 May | 4.0182 | 05.05.2015 |
| 6 May | 4.0483 | 06.05.2015 |
| 7 May | 4.0461 | 07.05.2015 |
| 8 May | 4.0679 | 08.05.2015 |
| 9 May | 4.0679 | 08.05.2015 |
| 10 May | 4.0679 | 08.05.2015 |
| 11 May | 4.0668 | 11.05.2015 |
| 12 May | 4.1028 | 12.05.2015 |
| 13 May | 4.0872 | 13.05.2015 |
| 14 May | 4.0827 | 14.05.2015 |
| 15 May | 4.0432 | 15.05.2015 |
| 16 May | 4.0432 | 15.05.2015 |
| 17 May | 4.0432 | 15.05.2015 |
| 18 May | 4.0615 | 18.05.2015 |
| 19 May | 4.0486 | 19.05.2015 |
| 20 May | 4.0653 | 20.05.2015 |
| 21 May | 4.0959 | 21.05.2015 |
| 22 May | 4.1003 | 22.05.2015 |
| 23 May | 4.1003 | 22.05.2015 |
| 24 May | 4.1003 | 22.05.2015 |
| 25 May | 4.1075 | 25.05.2015 |
| 26 May | 4.1391 | 26.05.2015 |
| 27 May | 4.1335 | 27.05.2015 |
| 28 May | 4.1289 | 28.05.2015 |
| 29 May | 4.1298 | 29.05.2015 |
| 30 May | 4.1298 | 29.05.2015 |
| 31 May | 4.1298 | 29.05.2015 |