Income quintile per unit of consumption;Main heating source;Total Total;Electricity;32,1 Total;Gas;35,8 Total;Diesel;8,9 Total;Other;6,5 Total;Does not use any heating system;15,7 Total;Not specified;1,1 First quintile;Electricity;34,1 First quintile;Gas;25,4 First quintile;Diesel;6,7 First quintile;Other;7,2 First quintile;Does not use any heating system;25,5 First quintile;Not specified;1,2 Second quintile;Electricity;33,5 Second quintile;Gas;29,4 Second quintile;Diesel;8,7 Second quintile;Other;7,4 Second quintile;Does not use any heating system;20,3 Second quintile;Not specified;0,7 Third quintile;Electricity;33,2 Third quintile;Gas;34,5 Third quintile;Diesel;8,5 Third quintile;Other;6,8 Third quintile;Does not use any heating system;16,3 Third quintile;Not specified;0,8 Fourth quintile;Electricity;33,4 Fourth quintile;Gas;39,8 Fourth quintile;Diesel;9,5 Fourth quintile;Other;6,4 Fourth quintile;Does not use any heating system;9,7 Fourth quintile;Not specified;1,3 Fifth quintile;Electricity;26,7 Fifth quintile;Gas;49,6 Fifth quintile;Diesel;10,8 Fifth quintile;Other;4,6 Fifth quintile;Does not use any heating system;7 Fifth quintile;Not specified;1,3