Gas meter and center device are included. Gas meter is installed in a residence or the like of each customer, and includes flow rate measurer. Center device collects information obtained by gas meter. In addition, center device manages positional information indicating a position of gas meter, and displays information including a result of analyzing information obtained from gas meter, together with the position of gas meter on a map. By employing this configuration, the information obtained from gas meter is collected by center device, and information based on collected data is displayed on a map on which gas meter is positioned. This enables the information obtained from gas meter to be visually reported.