Nationality of the reference person;Improvements to thermal insulation or the heating system;Total
Total;Has made improvements to thermal insulation or the heating system;14.1
Total;No improvements have been made and it is warm enough during the cold months;60.8
Total;No improvements have been made and it is not warm enough during the cold months;25.1
Spanish;Has made improvements to thermal insulation or the heating system;14.5
Spanish;No improvements have been made and it is warm enough during the cold months;60.9
Spanish;No improvements have been made and it is not warm enough during the cold months;24.5
Foreign (European Union);Has made improvements to thermal insulation or the heating system;11.6
Foreign (European Union);No improvements have been made and it is warm enough during the cold months;65.4
Foreign (European Union);No improvements have been made and it is not warm enough during the cold months;23.1
Foreign (rest of the world);Has made improvements to thermal insulation or the heating system;8.9
Foreign (rest of the world);No improvements have been made and it is warm enough during the cold months;55.1
Foreign (rest of the world);No improvements have been made and it is not warm enough during the cold months;36.0
Not specified;Has made improvements to thermal insulation or the heating system;51.5
Not specified;No improvements have been made and it is warm enough during the cold months;48.5
Not specified;No improvements have been made and it is not warm enough during the cold months;..