Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years,   non knowledge of contraceptions  size of municipality of residence  number of live births. 
Unidades: absolute figures

	Total	None	One	Two	Three	Four	Five and more	Average	
Total	91.110	55.175	8.496	17.304	7.874	1.201	1.060	0,84	
Up to 10,000 inhabitants	29.275	18.421	1.639	4.121	5.094	..	..	0,86	
From 10,001 to 50,000 inhabitants	26.141	14.788	2.965	6.127	..	1.201	1.060	0,97	
From 50,001 to 500,000 inhabitants	19.990	10.082	3.891	3.236	2.780	..	..	0,94	
More than 500,000 inhabitants	15.704	11.884	..	3.819	..	..	..	0,49	
Notas:
Fuente: National Statistics Institute