Employees
| Concept |
As at 2017-12-31 |
As at 2016-12-31 |
As at 2015-12-31 |
As at 2014-12-31 |
As at 2013-12-31 |
|---|---|---|---|---|---|
| Employees | |||||
| Information about group | |||||
| Number of employees of group | |||||
| Number of employees |
913
xbrli:pure
|
909
xbrli:pure
|
852
xbrli:pure
|
815
xbrli:pure
|
704
xbrli:pure
|