Encuesta de Fecundidad
Knowledge and use of contraceptions. Fem. between 15-49
Females between 15 and 49 years,   non knowledge of contraceptions   level of studies  number of live births.
Units: 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	
Illiterate	4,069	3,008	..	..	..	..	1,060	1.30	
Without studies	2,504	..	..	1,303	..	1,201	..	2.96	
Primary education and second grade, GBE or first year of GCSE	61,124	36,996	7,066	11,918	5,144	..	..	0.76	
Secondary Education and Post-secondary non-higher	5,594	4,313	342	94	845	..	..	0.55	
1º, 2º and intermediate technical-professional studies	11,991	8,002	..	3,989	..	..	..	0.67	
Higher level technical-professional studies	..	..	..	..	..	..	..	..	
First year of tertiary education	5,828	2,856	1,088	..	1,884	..	..	1.16	
Tertiary education, university graduates and doctors	..	..	..	..	..	..	..	..	
Notes:
Source: National Statistics Institute