| Characteristic | 2013 | 2014 | 2015** | 2016 |
|---|---|---|---|---|
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
| - | - | - | - | - |
The chart is not accessible to screen readers. Please switch to the table view to access the data.
Download
Region
Worldwide
Survey time period
2013 to 2016
Supplementary notes
* Only public companies included.
** In the 2016/2017 reports no data available for Australia and Canada.
Citation formats









