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