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;7.0 Fifth quintile;Not specified;1.3