| Day | Rate | Set date |
|---|---|---|
| 1 April | 129.2900 | 01.04.2015 |
| 2 April | 129.5900 | 02.04.2015 |
| 4 April | 129.5900 | 02.04.2015 |
| 5 April | 129.5900 | 02.04.2015 |
| 7 April | 130.3300 | 07.04.2015 |
| 8 April | 130.0900 | 08.04.2015 |
| 9 April | 129.2200 | 09.04.2015 |
| 10 April | 127.3200 | 10.04.2015 |
| 11 April | 127.3200 | 10.04.2015 |
| 12 April | 127.3200 | 10.04.2015 |
| 13 April | 127.2000 | 13.04.2015 |
| 14 April | 126.6700 | 14.04.2015 |
| 15 April | 126.5200 | 15.04.2015 |
| 16 April | 127.6400 | 16.04.2015 |
| 17 April | 128.4500 | 17.04.2015 |
| 18 April | 128.4500 | 17.04.2015 |
| 19 April | 128.4500 | 17.04.2015 |
| 20 April | 127.6800 | 20.04.2015 |
| 21 April | 127.7500 | 21.04.2015 |
| 22 April | 128.4500 | 22.04.2015 |
| 23 April | 129.3600 | 23.04.2015 |
| 24 April | 129.3600 | 24.04.2015 |
| 25 April | 129.3600 | 24.04.2015 |
| 26 April | 129.3600 | 24.04.2015 |
| 27 April | 129.2300 | 27.04.2015 |
| 28 April | 130.0900 | 28.04.2015 |
| 29 April | 131.2000 | 29.04.2015 |
| 30 April | 133.2600 | 30.04.2015 |