55 Statistics Number of places of detention visited in 2015, per sector SECTOR NUMBER OF PLACES Prisons 5 Police custody facilities 3 Mental health care institutions 3 The police immigration detention centre at Trandum and the deportation centre at Gardermoen 2 Customs and Excise’s detention premises 1 Total 14 Number of visits in 2015, per notification method NOTIFICATION METHOD NUMBER OF VISITS Announced 5 Unannounced 7 Partly announced1 3 Total2 15 1 For partly announced visits, the NPM informed the the place of detention's management about the month of the visit, but not the date. 2 One place, Bjørgvin Prison’s Juvenile Unit, was visited twice in 2015. This explains why the number of visits in 2015 is 15, while the number of places of detention visited is 14.