| Day | Rate | Set date | 
|---|---|---|
| 1 August | 267.9000 | 01.08.2011 | 
| 2 August | 270.1200 | 02.08.2011 | 
| 3 August | 272.3800 | 03.08.2011 | 
| 4 August | 272.0900 | 04.08.2011 | 
| 5 August | 274.1000 | 05.08.2011 | 
| 6 August | 274.1000 | 05.08.2011 | 
| 7 August | 274.1000 | 05.08.2011 | 
| 8 August | 273.9500 | 08.08.2011 | 
| 9 August | 274.7000 | 09.08.2011 | 
| 10 August | 273.1800 | 10.08.2011 | 
| 11 August | 276.7700 | 11.08.2011 | 
| 12 August | 273.6800 | 12.08.2011 | 
| 13 August | 273.6800 | 12.08.2011 | 
| 14 August | 273.6800 | 12.08.2011 | 
| 15 August | 271.6600 | 15.08.2011 | 
| 16 August | 271.1800 | 16.08.2011 | 
| 17 August | 269.4000 | 17.08.2011 | 
| 18 August | 272.1300 | 18.08.2011 | 
| 19 August | 272.1500 | 19.08.2011 | 
| 20 August | 272.1500 | 19.08.2011 | 
| 21 August | 272.1500 | 19.08.2011 | 
| 22 August | 272.8300 | 22.08.2011 | 
| 23 August | 271.7800 | 23.08.2011 | 
| 24 August | 272.0500 | 24.08.2011 | 
| 25 August | 272.4000 | 25.08.2011 | 
| 26 August | 272.6600 | 26.08.2011 | 
| 27 August | 272.6600 | 26.08.2011 | 
| 28 August | 272.6600 | 26.08.2011 | 
| 29 August | 272.5500 | 29.08.2011 | 
| 30 August | 272.7900 | 30.08.2011 | 
| 31 August | 272.0000 | 31.08.2011 |