Size of the dwelling (no. of persons occupying it)	Source of noise	Total
TOTAL	With a noise problem	25.1
TOTAL	Due to overland traffic	11.7
TOTAL	Due to air traffic	1.9
TOTAL	Due to neighbours	8.9
TOTAL	From animals	2.8
TOTAL	Mechanical causes (including construction)	7.3
TOTAL	Due to trade and recreational activities	3.5
TOTAL	Due to informal urban get-togethers (outdoor drinking)	2.8
TOTAL	Other causes	1.5
TOTAL	Have taken some measure against noise (*)	31.0
1-person dwelling	With a noise problem	21.1
1-person dwelling	Due to overland traffic	9.5
1-person dwelling	Due to air traffic	1.2
1-person dwelling	Due to neighbours	7.7
1-person dwelling	From animals	2.3
1-person dwelling	Mechanical causes (including construction)	6.4
1-person dwelling	Due to trade and recreational activities	3.3
1-person dwelling	Due to informal urban get-togethers (outdoor drinking)	2.7
1-person dwelling	Other causes	1.7
1-person dwelling	Have taken some measure against noise (*)	26.7
2-person dwelling	With a noise problem	25.0
2-person dwelling	Due to overland traffic	11.6
2-person dwelling	Due to air traffic	1.6
2-person dwelling	Due to neighbours	9.0
2-person dwelling	From animals	2.5
2-person dwelling	Mechanical causes (including construction)	6.7
2-person dwelling	Due to trade and recreational activities	3.7
2-person dwelling	Due to informal urban get-togethers (outdoor drinking)	2.8
2-person dwelling	Other causes	1.2
2-person dwelling	Have taken some measure against noise (*)	32.3
3-person dwelling	With a noise problem	27.8
3-person dwelling	Due to overland traffic	12.7
3-person dwelling	Due to air traffic	2.4
3-person dwelling	Due to neighbours	9.8
3-person dwelling	From animals	3.3
3-person dwelling	Mechanical causes (including construction)	8.3
3-person dwelling	Due to trade and recreational activities	3.7
3-person dwelling	Due to informal urban get-togethers (outdoor drinking)	3.5
3-person dwelling	Other causes	1.6
3-person dwelling	Have taken some measure against noise (*)	30.8
Dwelling with 4 or more persons	With a noise problem	25.3
Dwelling with 4 or more persons	Due to overland traffic	12.2
Dwelling with 4 or more persons	Due to air traffic	2.2
Dwelling with 4 or more persons	Due to neighbours	8.7
Dwelling with 4 or more persons	From animals	3.1
Dwelling with 4 or more persons	Mechanical causes (including construction)	7.5
Dwelling with 4 or more persons	Due to trade and recreational activities	3.2
Dwelling with 4 or more persons	Due to informal urban get-togethers (outdoor drinking)	2.3
Dwelling with 4 or more persons	Other causes	1.8
Dwelling with 4 or more persons	Have taken some measure against noise (*)	32.0