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