Survey on Households and the Environment 
Classification by characteristics of the dwelling
Percentage of dwellings whose residents have suffered problems with odours in their surroundings, and size of the dwelling (no. of persons occupying it) and cause, and which have taken some measure
Units: %  over the total number of dwellings

	With an odour problem	Due to smoke, tobacco etc.	Pipelines, sewerage, etc, ...	Farms	Industries (food, fishing, workshops, etc,...)	Trade (supermarkets, fishmongers, etc.)	Litter bins	Dumps	Other causes	Have taken some measure against odours (*)	
TOTAL	20.3	1.2	11.6	2.8	1.7	0.6	1.8	0.9	3.4	29.1	
1-person dwelling	14.2	0.7	8.9	1.6	0.9	0.6	1.0	0.5	2.1	30.1	
2-person dwelling	19.5	1.1	11.1	2.0	1.6	0.5	2.1	0.9	3.5	28.1	
3-person dwelling	22.9	1.5	12.8	3.4	2.1	0.9	2.0	1.1	3.8	29.4	
Dwelling with 4 or more persons	22.8	1.4	12.8	3.8	1.9	0.3	1.9	1.2	3.6	29.1	
Notes:
1) (*) % over the total number of dwellings with odours problems
Source: National Statistics Institute