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: relative figures

	Total	None	One	Two	Three	Four	Five and more	
Total	100	60,56	9,32	18,99	8,64	1,32	1,16	
Up to 10,000 inhabitants	100	62,92	5,6	14,08	17,4	..	..	
From 10,001 to 50,000 inhabitants	100	56,57	11,34	23,44	..	4,59	4,06	
From 50,001 to 500,000 inhabitants	100	50,44	19,47	16,19	13,91	..	..	
More than 500,000 inhabitants	100	75,68	..	24,32	..	..	..	
Notas:
Fuente: National Statistics Institute