| 2009 | |
|---|---|
Very useful | 23.88% |
Quite useful | 27.25% |
Not very useful | 13.76% |
Not at all useful | 6.74% |
Not available | 28.37% |
Sample size | 1,656 |
Sample size calculated by VoxDash | 712 |
Probability sampling | |
Margin of error | ±3% |
Comparable margin of error | |
Calculated by VoxDash | |
Data provider | |
General population | |
Respondent qualification age | 18 |
Data sampling | Not specified |
Geographies | United Kingdom of Great Britain and Northern Ireland |
Coverages | Provincial/state |