Migration flows between family practitioner areas on an equal area projection.

Flows of 1 in 2777 people from 1975 and 1976 drawn between the 97 areas from the national information system, on an equal land area map software by author on an Archimedes computer.

On the map the divisions are still evident, but the detailed picture is lost in many places. However, it is revealing to see how far many people move.