Contact InformationBack
| Date of Survey | Successful Sample | Response Rate | 
| 28/9-5/10/2011 | 1035 | 66.0% | 
| 19/9-27/9/2011 | 1000 | 67.6% | 
| 5-8/10/2010 | 1014 | 60.0% | 
| 6-11/10/2009 | 1010 | 67.5% | 
| 24-30/9/2009 | 1000 | 66.2% | 
| 8-10/10/2008 | 1007 | 61.9% | 
| 23-29/9/2008 | 1027 | 65.9% | 
| 2-5/10/2007 | 1008 | 65.4% | 
| 17-21/9/2007 | 1008 | 65.5% | 
| 3-6/10/2006 | 1022 | 61.3% | 
| 14-20/9/2006 | 1013 | 58.4% | 
| 3-6/10/2005 | 1010 | 64.2% | 
| 26-29/9/2005 | 1027 | 61.2% | 








