Health Persons aged 16 and over according to difficulty in remembering or concentrating by educational level Units: Porcentajes horizontales. ,Ninguna dificultad,Con alguna dificultad,Con mucha dificultad,No puede hacerlo,No consta, Total,80.0,16.3,2.7,0.4,0.6, Educación primaria o inferior,63.0,27.5,7.3,1.5,0.8, Educación secundaria primera etapa,81.6,15.2,2.3,0.2,0.6, Educación secundaria segunda etapa,83.9,13.8,1.6,0.2,0.6, Educación superior,85.3,12.8,1.3,0.1,0.5, No consta,48.2,6.5,3.1,3.0,39.2, Notes: Source: Instituto Nacional de Estadística