
| Characteristic | Percentage of users |
|---|---|
| - | - |
| - | - |
| - | - |
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Source
Release date
March 2010
Region
United States
Survey time period
December 28, 2009 to January 19, 2010
Number of respondents
2,259 respondents
Age group
18 years and older
Method of interview
Telephone interview
Supplementary notes
The source does not state the total number of respondents or the exact date of the survey.
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