Encuesta de Fecundidad
Characteristics marriages / couples and exposure to pregnancy risk. Women  15-49 years
Single females who have had a partner, who 1st relation finished   occupational  history   duration of the 1st relation (years). 
Unidades: Relative figures

	Total	Under 5 years old	From 5 to 9 years old	From 10 to 14 years old	From 15 to 19 years old	20 years old and over	
Total	100	96,56	1,56	0,54	1,33	..	
Previously worked  sometime	100	95,7	1,96	0,68	1,66	..	
Have never worked	100	100	..	..	..	..	
Notas:
Fuente: National Statistics Institute