Number of recipients	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
1 recipient	Has made improvements to thermal insulation or the heating system	12,7
1 recipient	No improvements have been made and it is warm enough during the cold months	59,8
1 recipient	No improvements have been made and it is not warm enough during the cold months	27,5
2 recipients	Has made improvements to thermal insulation or the heating system	15,2
2 recipients	No improvements have been made and it is warm enough during the cold months	62,9
2 recipients	No improvements have been made and it is not warm enough during the cold months	21,9
3 recipients or more	Has made improvements to thermal insulation or the heating system	15,6
3 recipients or more	No improvements have been made and it is warm enough during the cold months	58,3
3 recipients or more	No improvements have been made and it is not warm enough during the cold months	26,1
Not classifiable	Has made improvements to thermal insulation or the heating system	9
Not classifiable	No improvements have been made and it is warm enough during the cold months	53,5
Not classifiable	No improvements have been made and it is not warm enough during the cold months	37,6