| Day | Rate | Set date |
|---|---|---|
| 1 February | 4.2580 | 01.02.2011 |
| 2 February | 4.2580 | 02.02.2011 |
| 3 February | 4.2630 | 03.02.2011 |
| 4 February | 4.2640 | 04.02.2011 |
| 5 February | 4.2640 | 04.02.2011 |
| 6 February | 4.2640 | 04.02.2011 |
| 7 February | 4.2590 | 07.02.2011 |
| 8 February | 4.2550 | 08.02.2011 |
| 9 February | 4.2565 | 09.02.2011 |
| 10 February | 4.2645 | 10.02.2011 |
| 11 February | 4.2583 | 11.02.2011 |
| 12 February | 4.2583 | 11.02.2011 |
| 13 February | 4.2583 | 11.02.2011 |
| 14 February | 4.2490 | 14.02.2011 |
| 15 February | 4.2518 | 15.02.2011 |
| 16 February | 4.2492 | 16.02.2011 |
| 17 February | 4.2480 | 17.02.2011 |
| 18 February | 4.2420 | 18.02.2011 |
| 19 February | 4.2420 | 18.02.2011 |
| 20 February | 4.2420 | 18.02.2011 |
| 21 February | 4.2328 | 21.02.2011 |
| 22 February | 4.2290 | 22.02.2011 |
| 23 February | 4.2253 | 23.02.2011 |
| 24 February | 4.2320 | 24.02.2011 |
| 25 February | 4.2125 | 25.02.2011 |
| 26 February | 4.2125 | 25.02.2011 |
| 27 February | 4.2125 | 25.02.2011 |
| 28 February | 4.2057 | 28.02.2011 |