Sex;Social class;Average number;Total BOTH SEXES;Total;Average;1.33 BOTH SEXES;Total;Standard deviation;1.08 BOTH SEXES;I;Average;1.40 BOTH SEXES;I;Standard deviation;1.65 BOTH SEXES;II;Average;1.37 BOTH SEXES;II;Standard deviation;0.88 BOTH SEXES;III;Average;1.34 BOTH SEXES;III;Standard deviation;1.11 BOTH SEXES;IV;Average;1.40 BOTH SEXES;IV;Standard deviation;1.14 BOTH SEXES;V;Average;1.25 BOTH SEXES;V;Standard deviation;0.82 BOTH SEXES;VI;Average;1.33 BOTH SEXES;VI;Standard deviation;1.01 BOTH SEXES;No data recorded;Average;1.26 BOTH SEXES;No data recorded;Standard deviation;0.71 MALES;Total;Average;1.28 MALES;Total;Standard deviation;0.87 MALES;I;Average;1.32 MALES;I;Standard deviation;0.72 MALES;II;Average;1.27 MALES;II;Standard deviation;0.67 MALES;III;Average;1.30 MALES;III;Standard deviation;1.00 MALES;IV;Average;1.32 MALES;IV;Standard deviation;1.09 MALES;V;Average;1.25 MALES;V;Standard deviation;0.77 MALES;VI;Average;1.28 MALES;VI;Standard deviation;0.76 MALES;No data recorded;Average;. MALES;No data recorded;Standard deviation;. FEMALES;Total;Average;1.36 FEMALES;Total;Standard deviation;1.21 FEMALES;I;Average;1.47 FEMALES;I;Standard deviation;2.11 FEMALES;II;Average;1.44 FEMALES;II;Standard deviation;0.99 FEMALES;III;Average;1.36 FEMALES;III;Standard deviation;1.17 FEMALES;IV;Average;1.49 FEMALES;IV;Standard deviation;1.19 FEMALES;V;Average;1.25 FEMALES;V;Standard deviation;0.85 FEMALES;VI;Average;1.36 FEMALES;VI;Standard deviation;1.13 FEMALES;No data recorded;Average;1.35 FEMALES;No data recorded;Standard deviation;0.81