Quality of life People aged 16 and over according to frequency of feeling happy by level of training attained Units: Porcentajes horizontales. ,Siempre,Casi siempre,Algunas veces,Solo alguna vez,Nunca, Total,22.8,44.5,26.0,4.8,1.9, Educación primaria o inferior,24.6,35.0,29.7,6.9,3.8, Educación secundaria primera etapa,26.9,41.3,25.7,4.3,1.9, Educación secundaria segunda etapa,23.2,46.3,24.4,4.5,1.5, Educación superior,18.7,50.4,25.3,4.3,1.3, No consta,56.2,27.4,11.3,..,5.1, Notes: Source: Instituto Nacional de Estadística