| Characteristic | As of June 30, 2015 | As of June 30, 2016 | As of December 31, 2016* | As of December 31, 2017 | As of December 31, 2018 |
|---|---|---|---|---|---|
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
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Source
Release date
March 2019
Region
Worldwide
Survey time period
June 30, 2015 - December 31, 2018
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