Sex	Educational level	Average number	Total
Both sexes	Total	Average	6.46
Both sexes	Total	Standard deviation	16.87
Both sexes	Cannot read or write, or incomplete primary education	Average	9.55
Both sexes	Cannot read or write, or incomplete primary education	Standard deviation	28.74
Both sexes	Complete primary education	Average	7.36
Both sexes	Complete primary education	Standard deviation	13.63
Both sexes	Secondary education, 1st stage	Average	4.71
Both sexes	Secondary education, 1st stage	Standard deviation	9.77
Both sexes	Secondary education, 2nd stage	Average	5.86
Both sexes	Secondary education, 2nd stage	Standard deviation	10.80
Both sexes	Advanced professional training or the equivalent	Average	3.58
Both sexes	Advanced professional training or the equivalent	Standard deviation	4.25
Both sexes	University education	Average	3.51
Both sexes	University education	Standard deviation	4.28
Male	Total	Average	8.02
Male	Total	Standard deviation	23.72
Male	Cannot read or write, or incomplete primary education	Average	12.65
Male	Cannot read or write, or incomplete primary education	Standard deviation	42.91
Male	Complete primary education	Average	8.04
Male	Complete primary education	Standard deviation	15.64
Male	Secondary education, 1st stage	Average	5.82
Male	Secondary education, 1st stage	Standard deviation	13.32
Male	Secondary education, 2nd stage	Average	7.77
Male	Secondary education, 2nd stage	Standard deviation	14.54
Male	Advanced professional training or the equivalent	Average	4.66
Male	Advanced professional training or the equivalent	Standard deviation	6.10
Male	University education	Average	4.06
Male	University education	Standard deviation	5.97
Female	Total	Average	5.36
Female	Total	Standard deviation	9.22
Female	Cannot read or write, or incomplete primary education	Average	7.53
Female	Cannot read or write, or incomplete primary education	Standard deviation	12.42
Female	Complete primary education	Average	6.71
Female	Complete primary education	Standard deviation	11.39
Female	Secondary education, 1st stage	Average	4.03
Female	Secondary education, 1st stage	Standard deviation	6.68
Female	Secondary education, 2nd stage	Average	4.56
Female	Secondary education, 2nd stage	Standard deviation	6.91
Female	Advanced professional training or the equivalent	Average	2.84
Female	Advanced professional training or the equivalent	Standard deviation	1.86
Female	University education	Average	3.17
Female	University education	Standard deviation	2.73