Quality of life People aged 16 and over according to frequency of feeling happy by income quintile per consumption unit Units: Porcentajes horizontales. ,Siempre,Casi siempre,Algunas veces,Solo alguna vez,Nunca, Total,22.8,44.5,26.0,4.8,1.9, Primer quintil,24.4,36.9,29.0,6.5,3.2, Segundo quintil,26.2,40.3,26.0,4.8,2.7, Tercer quintil,23.4,44.9,25.3,4.8,1.8, Cuarto quintil,21.8,47.4,25.4,4.3,1.3, Quinto quintil,18.4,52.3,24.5,3.9,0.9, Notes: Source: Instituto Nacional de Estadística