This joint industry committee produces the Estudio General de Medios (EGM), the most comprehensive media measurement operation in Spain. This survey covers all media consumption, including the Internet. Though the complete results of the study are only available to member of the organization, summary results are published three times a year, and include internet penetration with basic socio-demographic variables. AIMC has also been conducting since 1996 a yearly online survey on internet use in Spain , and produces sporadic reports on internet-related issues .