Country of birth of the reference person	Implementation of energy efficiency improvements in households	Total
Total	Improvement have been made	19.5
Total	No, it doesn't need it	46.0
Total	No, but it would be necessary	34.4
Spain	Improvement have been made	20.1
Spain	No, it doesn't need it	46.5
Spain	No, but it would be necessary	33.4
Foreign Country (European Union)	Improvement have been made	21.4
Foreign Country (European Union)	No, it doesn't need it	41.3
Foreign Country (European Union)	No, but it would be necessary	37.3
Foreign Country (Rest of World)	Improvement have been made	15.9
Foreign Country (Rest of World)	No, it doesn't need it	44.7
Foreign Country (Rest of World)	No, but it would be necessary	39.4