Survey on Households and the Environment Classification by characteristics of the reference person Percentage of dwellings with a large household appliance, by level of studies completed by the reference person and type of large household appliance Units: % over the total number of dwellings ,With a large household appliance,With a refrigerator,With a washing machine,With an independent dryer,With a dishwasher,With an independent freezer,With a kitchen,With an oven,With an extractor fan, TOTAL,100.0,99.9,99.1,21.6,43.5,25.4,99.9,88.3,81.9, Without studies,100.0,99.5,97.4,10.1,17.7,22.8,100.0,74.5,64.3, Primary education or the equivalent,99.9,99.8,99.3,17.7,36.0,25.8,99.8,88.7,80.5, Stage one secondary education,100.0,99.9,99.3,31.4,41.5,30.7,99.9,88.7,82.3, Upper-secondary education,100.0,100.0,99.7,22.3,49.9,22.2,99.8,91.0,87.0, Intermediate level-professional education,100.0,100.0,99.3,26.1,55.1,27.9,99.9,93.6,90.3, Higher level -professional education,100.0,100.0,99.6,27.4,57.0,27.3,99.9,92.5,90.5, 1st cycle university studies,100.0,100.0,99.4,29.3,64.3,24.8,100.0,95.2,89.0, 2nd or 3rd cycle university studies,100.0,99.9,99.7,26.3,68.5,24.0,99.9,93.0,89.6, Does not know/ Does not answer,100.0,100.0,96.7,27.9,49.8,.,100.0,96.7,100.0, Notes: .Data protected by statistical secrecy Source: National Statistics Institute