Sex Educational level Average number Total Both sexes Total Average 3.15 Both sexes Total Standard deviation 12.10 Both sexes Cannot read or write, or incomplete primary education Average 3.50 Both sexes Cannot read or write, or incomplete primary education Standard deviation 8.93 Both sexes Complete primary education Average 3.57 Both sexes Complete primary education Standard deviation 19.25 Both sexes Secondary education, 1st stage Average 3.00 Both sexes Secondary education, 1st stage Standard deviation 9.83 Both sexes Secondary education, 2nd stage Average 2.57 Both sexes Secondary education, 2nd stage Standard deviation 6.34 Both sexes Advanced professional training or the equivalent Average 2.88 Both sexes Advanced professional training or the equivalent Standard deviation 5.75 Both sexes University education Average 2.97 Both sexes University education Standard deviation 8.49 Male Total Average 2.90 Male Total Standard deviation 9.55 Male Cannot read or write, or incomplete primary education Average 2.54 Male Cannot read or write, or incomplete primary education Standard deviation 4.62 Male Complete primary education Average 2.49 Male Complete primary education Standard deviation 10.49 Male Secondary education, 1st stage Average 3.44 Male Secondary education, 1st stage Standard deviation 12.18 Male Secondary education, 2nd stage Average 3.04 Male Secondary education, 2nd stage Standard deviation 8.88 Male Advanced professional training or the equivalent Average 3.60 Male Advanced professional training or the equivalent Standard deviation 7.29 Male University education Average 2.91 Male University education Standard deviation 9.57 Female Total Average 3.37 Female Total Standard deviation 13.98 Female Cannot read or write, or incomplete primary education Average 4.01 Female Cannot read or write, or incomplete primary education Standard deviation 10.46 Female Complete primary education Average 4.64 Female Complete primary education Standard deviation 25.07 Female Secondary education, 1st stage Average 2.52 Female Secondary education, 1st stage Standard deviation 6.35 Female Secondary education, 2nd stage Average 2.16 Female Secondary education, 2nd stage Standard deviation 2.43 Female Advanced professional training or the equivalent Average 1.97 Female Advanced professional training or the equivalent Standard deviation 2.47 Female University education Average 3.03 Female University education Standard deviation 7.08