Survey on Households and the Environment Classification by characteristics of the dwelling Percentage of dwellings with thermal insulationo or energy-saving lights, type of municipality and type of insulation or lighting Units: % over the total number of dwellings With some type of thermal insulation Canopies Persian blinds or shutters Tinted glass or solar protectors Double glazing for windows Thermal bridge breaking With some type of energy-saving lights Fluorescent tubes or lights Other energy-saving lightbulbs TOTAL 96.2 23.0 94.0 4.1 39.3 11.4 85.5 66.1 67.1 Provincial capitals and municipalities with more than 100,000 inhabitants 96.5 24.9 94.2 4.3 39.3 12.0 88.1 68.1 70.9 50,000 to 100,000 inhabitants 94.9 28.5 92.5 4.4 36.3 10.0 85.7 65.2 68.1 20,000 to 50,000 inhabitants 96.5 25.7 94.4 4.5 38.3 10.0 85.8 67.1 68.3 10,000 to 20,000 inhabitants 96.3 22.3 94.4 3.7 40.1 12.1 84.5 63.7 64.8 Fewer than 10,000 inhabitants 95.7 15.4 94.0 3.2 40.7 11.2 80.5 63.2 59.2 Notes: Source: National Statistics Institute