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