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TIMSS: Mean performance on the mathematics scale for eighth grade students, male360400450500550600TIMSS:Meanperformanceonthemathematicsscaleforeighthgradestudents,femaleUnited StatesUnited StatesRussiaRussiaJapanJapanEgyptEgyptTurkeyTurkeyIranIranThailandThailandItalyItalySaudi ArabiaSaudi ArabiaAustraliaAustraliaHong KongHong KongAfricaAsiaEuropeNorth AmericaOceaniaSouth America