The number of pre-1952 units making up the present municipality is twenty.

The number of original units within the present municipality is eleven.

The present municipality was created during the administrative reforms of 2010.

The number of original local government entities within the present municipality is twelve.

The present municipality was created during the local government reform in the early 1970s.

The next reform in 1971 merged them into the present municipality.

There are fourteen original units making up the present municipality.

The present municipality is a result of the latest local government reform in Sweden.

These were amalgamated in 1967 to form the present municipality.

There are 30 original local government units within the present municipality.