prISa radio audience by country accumulated audience 12,063 13,704 ECAR 2010 IPSOS Chile 2010 IBOPE Argentina INRA . Audiencia México DF,2010 Arbitron IBOPE Grupo Marktest 8,874 1,932 1,226 1,170 320 182 1,488 27,201 2ª 1ª 1ª 4ª 3ª 3ª Market ranking 1ª Source Spain latam Colombia Chile Argentina Mexico USA Costa Rica portugal total raDIo EGM 3ª Ola 2010 prISa radio audience in Spain (in thousands of listeners) CaDena Ser 4,247 40 prInCIpaleS 3,890 CaDena DIal 2,210 MÁXIMa FM 700 539 M80 raDIo raDIolÉ 424 16