| Characteristic | Year-on-year growth |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Release date
April 2019
Region
Worldwide
Survey time period
2009 to 2018
Supplementary notes
Values prior to 2018 were taken from previous edition.
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