| Day | Rate | Set date |
|---|---|---|
| 2 May | 55.4950 | 02.05.2012 |
| 3 May | 55.3650 | 03.05.2012 |
| 4 May | 55.5700 | 04.05.2012 |
| 5 May | 55.5700 | 04.05.2012 |
| 6 May | 55.5700 | 04.05.2012 |
| 7 May | 55.2460 | 07.05.2012 |
| 8 May | 55.1160 | 08.05.2012 |
| 9 May | 55.1800 | 09.05.2012 |
| 10 May | 55.0390 | 10.05.2012 |
| 11 May | 55.0430 | 11.05.2012 |
| 12 May | 55.0430 | 11.05.2012 |
| 13 May | 55.0430 | 11.05.2012 |
| 14 May | 55.0150 | 14.05.2012 |
| 15 May | 54.7730 | 15.05.2012 |
| 16 May | 54.7860 | 16.05.2012 |
| 17 May | 54.5500 | 17.05.2012 |
| 18 May | 54.8330 | 18.05.2012 |
| 19 May | 54.8330 | 18.05.2012 |
| 20 May | 54.8330 | 18.05.2012 |
| 21 May | 55.0890 | 21.05.2012 |
| 22 May | 55.0940 | 22.05.2012 |
| 23 May | 55.0150 | 23.05.2012 |
| 24 May | 54.7890 | 24.05.2012 |
| 25 May | 54.9620 | 25.05.2012 |
| 26 May | 54.9620 | 25.05.2012 |
| 27 May | 54.9620 | 25.05.2012 |
| 28 May | 54.6620 | 28.05.2012 |
| 29 May | 54.3050 | 29.05.2012 |
| 30 May | 54.1160 | 30.05.2012 |
| 31 May | 53.9220 | 31.05.2012 |