| Characteristic | 2015 | 2017 |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Source
Release date
November 2017
Region
Worldwide
Survey time period
2015 and 2017
Number of respondents
702 respondents
Supplementary notes
The report did not provide information regarding the age of the respondents or the method of survey.
Multiple answers were possible.
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