| Day | Rate | Set date |
|---|---|---|
| 1 September | 110.0800 | 01.09.2011 |
| 2 September | 109.5600 | 02.09.2011 |
| 3 September | 109.5600 | 02.09.2011 |
| 4 September | 109.5600 | 02.09.2011 |
| 5 September | 108.5600 | 05.09.2011 |
| 6 September | 109.0900 | 06.09.2011 |
| 7 September | 108.3800 | 07.09.2011 |
| 8 September | 108.4100 | 08.09.2011 |
| 9 September | 107.4800 | 09.09.2011 |
| 10 September | 107.4800 | 09.09.2011 |
| 11 September | 107.4800 | 09.09.2011 |
| 12 September | 105.3200 | 12.09.2011 |
| 13 September | 105.0100 | 13.09.2011 |
| 14 September | 105.4800 | 14.09.2011 |
| 15 September | 105.6700 | 15.09.2011 |
| 16 September | 105.6000 | 16.09.2011 |
| 17 September | 105.6000 | 16.09.2011 |
| 18 September | 105.6000 | 16.09.2011 |
| 19 September | 104.6200 | 19.09.2011 |
| 20 September | 104.9200 | 20.09.2011 |
| 21 September | 104.0700 | 21.09.2011 |
| 22 September | 102.5900 | 22.09.2011 |
| 23 September | 102.3200 | 23.09.2011 |
| 24 September | 102.3200 | 23.09.2011 |
| 25 September | 102.3200 | 23.09.2011 |
| 26 September | 103.0500 | 26.09.2011 |
| 27 September | 103.8300 | 27.09.2011 |
| 28 September | 104.2200 | 28.09.2011 |
| 29 September | 104.4600 | 29.09.2011 |
| 30 September | 103.7900 | 30.09.2011 |