
| Characteristic | Number of users in millions |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Release date
July 2016
Region
Worldwide
Survey time period
2008 - 2014
Supplementary notes
* Forecast.
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