| Characteristic | Always or almost always | Usually or sometimes | Never or rarely | Don't know / refused |
|---|---|---|---|---|
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
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Source
Source
Release date
May 2013
More information
Region
United States
Survey time period
February 10-16, 2011 / February 13-16, 2012 / February 25 - March 01, 2013
Number of respondents
800 respondents
Age group
21 years and older
Method of interview
Telephone interview
Supplementary notes
The source does not provide information regarding the missing percentage points to 100 percent.
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