NORWEGIAN PARLIAMENTARY OMBUDSMAN National Preventive Mechanism ANNUAL REPORT 2017 66 Statistics Number of visits in 2017, per sector SECTOR NUMBER Prisons 4 Mental health care institutions 4 Child welfare institutions 4 Immigration detention centre 1 Total 13 Number of places visited since start-up, per year: 2014 2015 2016 2017 4 14 11 13 Total 42