| Characteristic | Share of respondents |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
April 2015
Region
Worldwide
Survey time period
as of April 2015
Supplementary notes
The source does not specify the type of survey or the number of respondents.
The source does not specify the date of survey or the date of publication. The date given is the date accessed.
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