Encuesta de Fecundidad
Females, married sometime, not pregnant, not sterilised and who can have children
Fem.marri. somet., no pregn., no ster.,and who can have children  marital status  duration of open interval between births (months). 
Unidades: absolute figures

	Total	From 0 to 7 months	From 8 to 11 months	From 12 to 23 months	From 24 to 35 months	From 36 to 47 months	From 48 to 59 months	60 and over	Average	
Total	5.212.113	1.211.340	93.514	345.294	313.324	273.922	212.189	2.762.530	92,18	
Married	4.775.736	1.165.813	90.758	334.091	296.443	261.029	200.228	2.427.374	87,92	
Widows	86.351	8.864	..	2.501	2.027	..	1.568	71.391	161,87	
Separated or divorced	350.027	36.663	2.756	8.703	14.854	12.893	10.392	263.766	133,16	
Notas:
Fuente: National Statistics Institute