Health Persons aged 16 and over according to viewing limitation by income quintile per consumption unit Units: Porcentajes horizontales. ,Ninguna dificultad,Con alguna dificultad,Con mucha dificultad,No puede ver,No consta, Total,74.7,21.6,2.9,0.2,0.6, Primer quintil,73.3,21.2,4.6,0.3,0.6, Segundo quintil,72.8,23.1,3.4,0.2,0.4, Tercer quintil,74.2,22.1,2.9,0.2,0.6, Cuarto quintil,76.0,20.9,2.3,0.2,0.6, Quinto quintil,77.2,20.4,1.7,0.1,0.6, Notes: Source: Instituto Nacional de Estadística