Encuesta de Fecundidad Charac. married couples or couples and expos. risk of preg. Fem.15-49 years Females between 15 and 49 years level of studies cohabitation situation. Units: Absolute figures ;Total;With spouse;With stable partner in the household;With stable partner out of household;With occasional relations;Another situation; Total;10,165,237;5,247,338;386,866;1,617,623;419,345;2,494,064; Illiterate;29,627;14,358;6,243;..;1,488;7,537; Without studies;191,792;156,306;11,955;1,037;5,697;16,797; Primary education and second grade, GBE or first year of GCSE;4,774,814;2,964,194;193,459;415,884;120,109;1,081,167; Secondary Education and Post-secondary non-higher;1,957,740;628,741;63,131;487,940;119,017;658,911; 1º, 2º and intermediate technical-professional studies;1,615,916;753,194;55,264;377,772;78,513;351,173; Higher level technical-professional studies;38,349;9,875;5,709;18,949;..;3,817; First year of tertiary education;632,679;320,274;22,148;110,060;28,014;152,183; Tertiary education, university graduates and doctors;924,320;400,396;28,957;205,982;66,506;222,480; Notes: Source: National Statistics Institute