| Characteristic | 2011 | 2013 | 2014 |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
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Source
Release date
June 2014
Region
United States
Survey time period
April 2014
Number of respondents
n = 1,211
Age group
18 years and older
Method of interview
Telephone interview
Supplementary notes
Figures for 2011 and 2013 come from an earlier .
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