| 1According to the boundaries each year |
| 2Oslo and Akershus are here considered as one county |
| 3Eastern Norway (Østfold, Akershus, Oslo, Hedmark, Oppland, Buskerud, Vestfold and Telemark). Agder-Rogaland (Aust-Agder, Vest-Agder and Rogaland). Western Norway (Hordaland, Sogn og Fjordane and Møre og Romsdal). Trøndelag (Nord-Trøndelag and Sør-Trøndelag). Northern Norway (Nordland, Troms Romsa and Finnmark Finnmárku) |
| 4Regions: Akershus/ Oslo (Akershus and Oslo). Hedmark/Oppland (Hedmark and Oppland). South Eastern Norway (Østfold, Buskerud, Vestfold and Telemark). Agder-Rogaland (Aust-Agder, Vest-Agder and Rogaland). Western Norway (Hordaland, Sogn og Fjordane and Møre og Romsdal). Trøndelag (Sør-Trøndelag and Nord-Trøndelag). Northern Norway (Nordland, Troms Romsa and Finnmark Finnmárku) |
