Quality of life Persons aged 16 and over by participation in volunteering activities outside volunteering organisations by income quintile per consumption unit Units: Porcentajes horizontales. ,SÍ,NO, Total,5.9,94.1, Primer quintil,4.7,95.3, Segundo quintil,5.2,94.8, Tercer quintil,5.2,94.8, Cuarto quintil,6.6,93.4, Quinto quintil,7.4,92.6, Notes: Source: Instituto Nacional de Estadística