| Day | Rate | Set date |
|---|---|---|
| 2 May | 4.1693 | 02.05.2012 |
| 3 May | 4.1629 | 03.05.2012 |
| 4 May | 4.1848 | 04.05.2012 |
| 5 May | 4.1848 | 04.05.2012 |
| 6 May | 4.1848 | 04.05.2012 |
| 7 May | 4.1958 | 07.05.2012 |
| 8 May | 4.1905 | 08.05.2012 |
| 9 May | 4.2154 | 09.05.2012 |
| 10 May | 4.2292 | 10.05.2012 |
| 11 May | 4.2434 | 11.05.2012 |
| 12 May | 4.2434 | 11.05.2012 |
| 13 May | 4.2434 | 11.05.2012 |
| 14 May | 4.3020 | 14.05.2012 |
| 15 May | 4.3225 | 15.05.2012 |
| 16 May | 4.3500 | 16.05.2012 |
| 17 May | 4.3484 | 17.05.2012 |
| 18 May | 4.3360 | 18.05.2012 |
| 19 May | 4.3360 | 18.05.2012 |
| 20 May | 4.3360 | 18.05.2012 |
| 21 May | 4.3330 | 21.05.2012 |
| 22 May | 4.3296 | 22.05.2012 |
| 23 May | 4.3670 | 23.05.2012 |
| 24 May | 4.3483 | 24.05.2012 |
| 25 May | 4.3530 | 25.05.2012 |
| 26 May | 4.3530 | 25.05.2012 |
| 27 May | 4.3530 | 25.05.2012 |
| 28 May | 4.3394 | 28.05.2012 |
| 29 May | 4.3610 | 29.05.2012 |
| 30 May | 4.3873 | 30.05.2012 |
| 31 May | 4.3915 | 31.05.2012 |