To improve accuracy with which relation with consumption is analyzed by knowing living environment of an answerer from an answer to a questionnaire.

With respect to the answerer who answers "because a dealer is not absent at a short distance" to the question of "Why have not you investigated an imported vehicle ?", a map of an area capable of being specified from a residence place, i.e., a postal code number of the answerer and its peripheral area is displayed on a monitor 7, and a location of a foreign vehicle dealer and a dealer name are made to be displayed on the map. By designating the location of the foreign vehicle dealer displayed on the monitor 7, a linear distance between the center of A city wherein the answerer resides and V dealer is calculated, and the linear distance is superposedly displayed on the map.