| Characteristic | Worldwide | International | United States |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Source
Release date
February 2015
Region
Worldwide
Survey time period
Q1 2011 to Q4 2014
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