| Characteristic | Share of respondents |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Sources
Release date
January 2017
Region
Worldwide
Survey time period
As of November 2017
Number of respondents
20,000 respondents
Supplementary notes
The source does not provide the exact date of survey or any other methodological data. The date of survey given is the date of publication.
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