| Day | Rate | Set date | 
|---|---|---|
| 1 September | 273.1100 | 01.09.2011 | 
| 2 September | 275.4300 | 02.09.2011 | 
| 3 September | 275.4300 | 02.09.2011 | 
| 4 September | 275.4300 | 02.09.2011 | 
| 5 September | 277.6200 | 05.09.2011 | 
| 6 September | 277.2300 | 06.09.2011 | 
| 7 September | 276.3500 | 07.09.2011 | 
| 8 September | 276.9500 | 08.09.2011 | 
| 9 September | 280.0700 | 09.09.2011 | 
| 10 September | 280.0700 | 09.09.2011 | 
| 11 September | 280.0700 | 09.09.2011 | 
| 12 September | 282.5500 | 12.09.2011 | 
| 13 September | 283.5900 | 13.09.2011 | 
| 14 September | 286.2300 | 14.09.2011 | 
| 15 September | 285.5000 | 15.09.2011 | 
| 16 September | 287.2500 | 16.09.2011 | 
| 17 September | 287.2500 | 16.09.2011 | 
| 18 September | 287.2500 | 16.09.2011 | 
| 19 September | 290.4100 | 19.09.2011 | 
| 20 September | 290.3300 | 20.09.2011 | 
| 21 September | 293.0500 | 21.09.2011 | 
| 22 September | 293.0600 | 22.09.2011 | 
| 23 September | 291.7500 | 23.09.2011 | 
| 24 September | 291.7500 | 23.09.2011 | 
| 25 September | 291.7500 | 23.09.2011 | 
| 26 September | 289.4200 | 26.09.2011 | 
| 27 September | 286.3600 | 27.09.2011 | 
| 28 September | 290.3800 | 28.09.2011 | 
| 29 September | 291.8500 | 29.09.2011 | 
| 30 September | 292.5500 | 30.09.2011 |