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Source
Source
Release date
September 2013
More information
Region
Europe
Survey time period
2011: August 30 to September 16, 2011; 2013: Q1 2013; 2015: February 23 to March 13, 2015
Number of respondents
2011: n = 28,000 in 55 countries worldwide; 2013: n = 29,000 in 58 countries; 2015: n > 30,000 in 60 countries
Special properties
respondents with internet access only
Supplementary notes
In 2011, 28,000 people were interviewed worldwide. In 2013, 29,000 people were interviewed worldwide. In 2015, more than 30,000 people were interviewed worldwide. The study does not provide a separate number for Europe only.
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