Level of studies;Duration of open interval between births (months);Total Total;Total;5,212,113 Total;From 0 to 7 months;1,211,340 Total;From 8 to 11 months;93,514 Total;From 12 to 23 months;345,294 Total;From 24 to 35 months;313,324 Total;From 36 to 47 months;273,922 Total;From 48 to 59 months;212,189 Total;60 and over;2,762,530 Total;Average;92.18 Illiterate;Total;13,498 Illiterate;From 0 to 7 months;1,819 Illiterate;From 8 to 11 months;538 Illiterate;From 12 to 23 months;1,069 Illiterate;From 24 to 35 months;588 Illiterate;From 36 to 47 months;151 Illiterate;From 48 to 59 months;.. Illiterate;60 and over;9,334 Illiterate;Average;117.34 Without studies;Total;150,991 Without studies;From 0 to 7 months;34,466 Without studies;From 8 to 11 months;745 Without studies;From 12 to 23 months;3,279 Without studies;From 24 to 35 months;1,260 Without studies;From 36 to 47 months;3,807 Without studies;From 48 to 59 months;2,422 Without studies;60 and over;105,012 Without studies;Average;129.94 Primary education and second grade, GBE or first year of GCSE;Total;2,951,686 Primary education and second grade, GBE or first year of GCSE;From 0 to 7 months;706,048 Primary education and second grade, GBE or first year of GCSE;From 8 to 11 months;33,590 Primary education and second grade, GBE or first year of GCSE;From 12 to 23 months;154,682 Primary education and second grade, GBE or first year of GCSE;From 24 to 35 months;148,549 Primary education and second grade, GBE or first year of GCSE;From 36 to 47 months;144,085 Primary education and second grade, GBE or first year of GCSE;From 48 to 59 months;73,797 Primary education and second grade, GBE or first year of GCSE;60 and over;1,690,935 Primary education and second grade, GBE or first year of GCSE;Average;100.36 Secondary Education and Post-secondary non-higher;Total;647,866 Secondary Education and Post-secondary non-higher;From 0 to 7 months;106,528 Secondary Education and Post-secondary non-higher;From 8 to 11 months;12,783 Secondary Education and Post-secondary non-higher;From 12 to 23 months;59,629 Secondary Education and Post-secondary non-higher;From 24 to 35 months;52,639 Secondary Education and Post-secondary non-higher;From 36 to 47 months;35,128 Secondary Education and Post-secondary non-higher;From 48 to 59 months;34,658 Secondary Education and Post-secondary non-higher;60 and over;346,501 Secondary Education and Post-secondary non-higher;Average;91.57 1º, 2º and intermediate technical-professional studies;Total;756,736 1º, 2º and intermediate technical-professional studies;From 0 to 7 months;206,586 1º, 2º and intermediate technical-professional studies;From 8 to 11 months;20,816 1º, 2º and intermediate technical-professional studies;From 12 to 23 months;58,373 1º, 2º and intermediate technical-professional studies;From 24 to 35 months;55,861 1º, 2º and intermediate technical-professional studies;From 36 to 47 months;53,938 1º, 2º and intermediate technical-professional studies;From 48 to 59 months;60,961 1º, 2º and intermediate technical-professional studies;60 and over;300,201 1º, 2º and intermediate technical-professional studies;Average;69.17 Higher level technical-professional studies;Total;9,577 Higher level technical-professional studies;From 0 to 7 months;1,339 Higher level technical-professional studies;From 8 to 11 months;.. Higher level technical-professional studies;From 12 to 23 months;2,204 Higher level technical-professional studies;From 24 to 35 months;.. Higher level technical-professional studies;From 36 to 47 months;3,611 Higher level technical-professional studies;From 48 to 59 months;.. Higher level technical-professional studies;60 and over;2,423 Higher level technical-professional studies;Average;49.16 First year of tertiary education;Total;310,949 First year of tertiary education;From 0 to 7 months;74,860 First year of tertiary education;From 8 to 11 months;8,680 First year of tertiary education;From 12 to 23 months;20,989 First year of tertiary education;From 24 to 35 months;25,493 First year of tertiary education;From 36 to 47 months;10,923 First year of tertiary education;From 48 to 59 months;14,423 First year of tertiary education;60 and over;155,581 First year of tertiary education;Average;80.92 Tertiary education, university graduates and doctors;Total;370,810 Tertiary education, university graduates and doctors;From 0 to 7 months;79,694 Tertiary education, university graduates and doctors;From 8 to 11 months;16,362 Tertiary education, university graduates and doctors;From 12 to 23 months;45,070 Tertiary education, university graduates and doctors;From 24 to 35 months;28,935 Tertiary education, university graduates and doctors;From 36 to 47 months;22,279 Tertiary education, university graduates and doctors;From 48 to 59 months;25,928 Tertiary education, university graduates and doctors;60 and over;152,542 Tertiary education, university graduates and doctors;Average;69.39