You‘re comparing apples to oranges. Or in that case existing to new leases.
The latter has way more room for increase than the former - by law. Add to that, that owners often stop bothering increasing rents for longterm tenants (because the allowed increase is the more miniscule the more years pass by) and concentrate on hikes for new leases.
The latter has way more room for increase than the former - by law. Add to that, that owners often stop bothering increasing rents for longterm tenants (because the allowed increase is the more miniscule the more years pass by) and concentrate on hikes for new leases.