| Day | Rate | Set date |
|---|---|---|
| 1 April | 266.2600 | 01.04.2011 |
| 2 April | 266.2600 | 01.04.2011 |
| 3 April | 266.2600 | 01.04.2011 |
| 4 April | 265.4000 | 04.04.2011 |
| 5 April | 264.4400 | 05.04.2011 |
| 6 April | 263.2400 | 06.04.2011 |
| 7 April | 264.2800 | 07.04.2011 |
| 8 April | 264.0900 | 08.04.2011 |
| 9 April | 264.0900 | 08.04.2011 |
| 10 April | 264.0900 | 08.04.2011 |
| 11 April | 265.2500 | 11.04.2011 |
| 12 April | 266.3500 | 12.04.2011 |
| 13 April | 266.1700 | 13.04.2011 |
| 14 April | 267.4800 | 14.04.2011 |
| 15 April | 267.1800 | 15.04.2011 |
| 16 April | 267.1800 | 15.04.2011 |
| 17 April | 267.1800 | 15.04.2011 |
| 18 April | 267.3400 | 18.04.2011 |
| 19 April | 266.8800 | 19.04.2011 |
| 20 April | 264.0500 | 20.04.2011 |
| 21 April | 263.8000 | 21.04.2011 |
| 23 April | 263.8000 | 21.04.2011 |
| 24 April | 263.8000 | 21.04.2011 |
| 26 April | 264.4800 | 26.04.2011 |
| 27 April | 264.7900 | 27.04.2011 |
| 28 April | 264.4800 | 28.04.2011 |
| 29 April | 264.5000 | 29.04.2011 |
| 30 April | 264.5000 | 29.04.2011 |