Those within 75 minutes travel time from a settlement with a minimum of 50 000 residents (90 minutes from Oslo). Fairly central municipalities (code 2): Those who have a maximum of 60 minutes travel time to a settlement with a minimum of 15 000 inhabitants. Fairly remote municipalities (code 1): Those who have a maximum of 45 minutes travel time to a settlement with a minimum of 5 000 inhabitants. Remote municipalities (code 0): other municipalities. See ‘About the statistics’.