| Day | Rate | Set date |
|---|---|---|
| 2 May | 4.9730 | 02.05.2012 |
| 3 May | 4.9569 | 03.05.2012 |
| 4 May | 4.9662 | 04.05.2012 |
| 5 May | 4.9662 | 04.05.2012 |
| 6 May | 4.9662 | 04.05.2012 |
| 7 May | 4.9570 | 07.05.2012 |
| 8 May | 4.9525 | 08.05.2012 |
| 9 May | 4.9429 | 09.05.2012 |
| 10 May | 4.9480 | 10.05.2012 |
| 11 May | 4.9393 | 11.05.2012 |
| 12 May | 4.9393 | 11.05.2012 |
| 13 May | 4.9393 | 11.05.2012 |
| 14 May | 4.9263 | 14.05.2012 |
| 15 May | 4.9136 | 15.05.2012 |
| 16 May | 4.8772 | 16.05.2012 |
| 17 May | 4.8540 | 17.05.2012 |
| 18 May | 4.8710 | 18.05.2012 |
| 19 May | 4.8710 | 18.05.2012 |
| 20 May | 4.8710 | 18.05.2012 |
| 21 May | 4.8837 | 21.05.2012 |
| 22 May | 4.8765 | 22.05.2012 |
| 23 May | 4.8799 | 23.05.2012 |
| 24 May | 4.8355 | 24.05.2012 |
| 25 May | 4.8368 | 25.05.2012 |
| 26 May | 4.8368 | 25.05.2012 |
| 27 May | 4.8368 | 25.05.2012 |
| 28 May | 4.8480 | 28.05.2012 |
| 29 May | 4.8533 | 29.05.2012 |
| 30 May | 4.8268 | 30.05.2012 |
| 31 May | 4.8237 | 31.05.2012 |