Survey on Households and the Environment Classification by characteristics of the reference person Percentage of dwellings whose residents have a vehicle for personal use, by level of studies completed by the reference person and number of available vehicles Units: % over the total number of dwellings ;Dwellings with some vehicle;Dwellings with 1 vehicle;Dwellings with 2 vehicles;Dwellings with 3 or more vehicles;Average number of vehicles over the total number of dwellings with a vehicle; TOTAL;74.7;42.2;25.1;7.4;1.6; Without studies;47.8;33.9;10.5;3.4;1.4; Primary education or the equivalent;69.8;41.8;20.9;7.2;1.5; Stage one secondary education;83.0;44.1;29.0;9.8;1.6; Upper-secondary education;80.4;44.6;27.3;8.5;1.6; Intermediate level-professional education;87.9;47.7;31.6;8.6;1.6; Higher level -professional education;91.1;46.5;36.5;8.1;1.6; 1st cycle university studies;84.7;42.6;33.5;8.6;1.6; 2nd or 3rd cycle university studies;86.1;43.7;34.9;7.6;1.6; Does not know/ Does not answer;68.7;46.9;21.9;.;1.3; Notes: .Data protected by statistical secrecy 1) Average with regard to dwellings with a vehicle Source: National Statistics Institute