Sex	Educational level	Average number	Total
Both sexes	Total	Average	17.41
Both sexes	Total	Standard deviation	13.09
Both sexes	Cannot read or write, or incomplete primary education	Average	27.84
Both sexes	Cannot read or write, or incomplete primary education	Standard deviation	14.65
Both sexes	Complete primary education	Average	20.62
Both sexes	Complete primary education	Standard deviation	13.47
Both sexes	Secondary education, 1st stage	Average	14.11
Both sexes	Secondary education, 1st stage	Standard deviation	11.20
Both sexes	Secondary education, 2nd stage	Average	15.30
Both sexes	Secondary education, 2nd stage	Standard deviation	12.01
Both sexes	Advanced professional training or the equivalent	Average	13.46
Both sexes	Advanced professional training or the equivalent	Standard deviation	10.22
Both sexes	University education	Average	14.03
Both sexes	University education	Standard deviation	10.85
Males	Total	Average	20.50
Males	Total	Standard deviation	13.86
Males	Cannot read or write, or incomplete primary education	Average	29.29
Males	Cannot read or write, or incomplete primary education	Standard deviation	14.42
Males	Complete primary education	Average	23.03
Males	Complete primary education	Standard deviation	13.76
Males	Secondary education, 1st stage	Average	16.37
Males	Secondary education, 1st stage	Standard deviation	11.65
Males	Secondary education, 2nd stage	Average	17.75
Males	Secondary education, 2nd stage	Standard deviation	12.88
Males	Advanced professional training or the equivalent	Average	15.43
Males	Advanced professional training or the equivalent	Standard deviation	10.82
Males	University education	Average	16.41
Males	University education	Standard deviation	12.20
Females	Total	Average	12.06
Females	Total	Standard deviation	9.53
Females	Cannot read or write, or incomplete primary education	Average	16.12
Females	Cannot read or write, or incomplete primary education	Standard deviation	10.72
Females	Complete primary education	Average	13.77
Females	Complete primary education	Standard deviation	9.78
Females	Secondary education, 1st stage	Average	10.66
Females	Secondary education, 1st stage	Standard deviation	9.49
Females	Secondary education, 2nd stage	Average	12.31
Females	Secondary education, 2nd stage	Standard deviation	10.08
Females	Advanced professional training or the equivalent	Average	10.83
Females	Advanced professional training or the equivalent	Standard deviation	8.68
Females	University education	Average	11.57
Females	University education	Standard deviation	8.60