Degree of urbanization 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 Densely populated area Has made improvements to thermal insulation or the heating system 15 Densely populated area No improvements have been made and it is warm enough during the cold months 60 Densely populated area No improvements have been made and it is not warm enough during the cold months 25 Intermediately populated area Has made improvements to thermal insulation or the heating system 12,5 Intermediately populated area No improvements have been made and it is warm enough during the cold months 61,1 Intermediately populated area No improvements have been made and it is not warm enough during the cold months 26,3 Scarcely populated area Has made improvements to thermal insulation or the heating system 14,4 Scarcely populated area No improvements have been made and it is warm enough during the cold months 62,9 Scarcely populated area No improvements have been made and it is not warm enough during the cold months 22,7