| Characteristic | Share of respondents |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
May 2012
Region
Worldwide
Survey time period
2012
Number of respondents
505 respondents
Special properties
Companies
Method of interview
Telephone interview
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