Level of studies;Duration of interval between 1st and 2nd birth (months);Total Total;Total;3.774.637 Total;From 0 to 7 months;41.253 Total;From 8 to 11 months;50.154 Total;From 12 to 23 months;740.800 Total;From 24 to 35 months;684.422 Total;From 36 to 47 months;673.798 Total;From 48 to 59 months;547.829 Total;60 and over;1.036.380 Total;Average;47,38 Illiterate;Total;17.438 Illiterate;From 0 to 7 months;.. Illiterate;From 8 to 11 months;1.073 Illiterate;From 12 to 23 months;4.928 Illiterate;From 24 to 35 months;4.967 Illiterate;From 36 to 47 months;3.944 Illiterate;From 48 to 59 months;1.990 Illiterate;60 and over;538 Illiterate;Average;32,74 Without studies;Total;153.458 Without studies;From 0 to 7 months;.. Without studies;From 8 to 11 months;3.479 Without studies;From 12 to 23 months;50.041 Without studies;From 24 to 35 months;34.677 Without studies;From 36 to 47 months;27.117 Without studies;From 48 to 59 months;20.916 Without studies;60 and over;17.228 Without studies;Average;36,34 Primary education and second grade, GBE or first year of GCSE;Total;2.317.355 Primary education and second grade, GBE or first year of GCSE;From 0 to 7 months;18.063 Primary education and second grade, GBE or first year of GCSE;From 8 to 11 months;33.584 Primary education and second grade, GBE or first year of GCSE;From 12 to 23 months;423.436 Primary education and second grade, GBE or first year of GCSE;From 24 to 35 months;389.447 Primary education and second grade, GBE or first year of GCSE;From 36 to 47 months;409.219 Primary education and second grade, GBE or first year of GCSE;From 48 to 59 months;353.452 Primary education and second grade, GBE or first year of GCSE;60 and over;690.154 Primary education and second grade, GBE or first year of GCSE;Average;48,98 Secondary Education and Post-secondary non-higher;Total;418.299 Secondary Education and Post-secondary non-higher;From 0 to 7 months;1.707 Secondary Education and Post-secondary non-higher;From 8 to 11 months;2.622 Secondary Education and Post-secondary non-higher;From 12 to 23 months;73.060 Secondary Education and Post-secondary non-higher;From 24 to 35 months;81.174 Secondary Education and Post-secondary non-higher;From 36 to 47 months;73.824 Secondary Education and Post-secondary non-higher;From 48 to 59 months;60.057 Secondary Education and Post-secondary non-higher;60 and over;125.855 Secondary Education and Post-secondary non-higher;Average;50,03 1º, 2º and intermediate technical-professional studies;Total;442.552 1º, 2º and intermediate technical-professional studies;From 0 to 7 months;12.238 1º, 2º and intermediate technical-professional studies;From 8 to 11 months;8.915 1º, 2º and intermediate technical-professional studies;From 12 to 23 months;78.684 1º, 2º and intermediate technical-professional studies;From 24 to 35 months;79.646 1º, 2º and intermediate technical-professional studies;From 36 to 47 months;83.671 1º, 2º and intermediate technical-professional studies;From 48 to 59 months;50.182 1º, 2º and intermediate technical-professional studies;60 and over;129.217 1º, 2º and intermediate technical-professional studies;Average;47,95 Higher level technical-professional studies;Total;2.872 Higher level technical-professional studies;From 0 to 7 months;.. Higher level technical-professional studies;From 8 to 11 months;.. Higher level technical-professional studies;From 12 to 23 months;573 Higher level technical-professional studies;From 24 to 35 months;.. Higher level technical-professional studies;From 36 to 47 months;2.299 Higher level technical-professional studies;From 48 to 59 months;.. Higher level technical-professional studies;60 and over;.. Higher level technical-professional studies;Average;31,85 First year of tertiary education;Total;199.460 First year of tertiary education;From 0 to 7 months;7.800 First year of tertiary education;From 8 to 11 months;.. First year of tertiary education;From 12 to 23 months;42.934 First year of tertiary education;From 24 to 35 months;46.164 First year of tertiary education;From 36 to 47 months;34.945 First year of tertiary education;From 48 to 59 months;32.327 First year of tertiary education;60 and over;35.292 First year of tertiary education;Average;41,11 Tertiary education, university graduates and doctors;Total;223.203 Tertiary education, university graduates and doctors;From 0 to 7 months;1.446 Tertiary education, university graduates and doctors;From 8 to 11 months;481 Tertiary education, university graduates and doctors;From 12 to 23 months;67.144 Tertiary education, university graduates and doctors;From 24 to 35 months;48.348 Tertiary education, university graduates and doctors;From 36 to 47 months;38.780 Tertiary education, university graduates and doctors;From 48 to 59 months;28.906 Tertiary education, university graduates and doctors;60 and over;38.097 Tertiary education, university graduates and doctors;Average;39,24