| Characteristic | 2013 | 2014 | 2015 |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Release date
June 2015
Region
United States
Survey time period
April 28 to May 1, 2015
Number of respondents
1,502 respondents
Age group
18 years and older
Method of interview
Online survey
Supplementary notes
* No data available prior to 2015.
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