Quality of life Persons aged 16 and over according to satisfaction with their personal relationships by income quintile per consumption unit Units: Satisfacción media y porcentajes horizontales. Satisfacción media 0-4 5-6 7-8 9-10 Total 7.9 3.2 14.0 46.6 36.2 Primer quintil 7.7 5.0 17.1 41.0 37.0 Segundo quintil 7.8 3.7 15.3 44.3 36.8 Tercer quintil 7.9 3.1 14.4 46.0 36.5 Cuarto quintil 7.9 2.6 12.9 49.8 34.6 Quinto quintil 8.0 1.8 10.9 51.2 36.1 Notes: Source: Instituto Nacional de Estadística