Housing conditions and energy efficiency
Households by main heating source by income quintile per unit of consumption.
Unidades: NA

	Electricity	Gas	Diesel	Other	Does not use any heating system	Not specified	
Total	32,1	35,8	8,9	6,5	15,7	1,1	
First quintile	34,1	25,4	6,7	7,2	25,5	1,2	
Second quintile	33,5	29,4	8,7	7,4	20,3	0,7	
Third quintile	33,2	34,5	8,5	6,8	16,3	0,8	
Fourth quintile	33,4	39,8	9,5	6,4	9,7	1,3	
Fifth quintile	26,7	49,6	10,8	4,6	7	1,3	
Notas:
Income per unit of consumption is obtained, for each household, by dividing total household income by the number of units of consumption. The distribution of persons is taken.
Fuente: Instituto Nacional de Estadística