Sex;Social class;Average number;Total BOTH SEXES;Total;Average;1.36 BOTH SEXES;Total;Standard deviation;1.08 BOTH SEXES;I;Average;1.25 BOTH SEXES;I;Standard deviation;0.61 BOTH SEXES;II;Average;1.32 BOTH SEXES;II;Standard deviation;0.86 BOTH SEXES;III;Average;1.30 BOTH SEXES;III;Standard deviation;0.80 BOTH SEXES;IV;Average;1.46 BOTH SEXES;IV;Standard deviation;1.59 BOTH SEXES;V;Average;1.36 BOTH SEXES;V;Standard deviation;1.04 BOTH SEXES;VI;Average;1.36 BOTH SEXES;VI;Standard deviation;1.05 BOTH SEXES;No data recorded;Average;1.61 BOTH SEXES;No data recorded;Standard deviation;1.15 MALES;Total;Average;1.37 MALES;Total;Standard deviation;1.13 MALES;I;Average;1.34 MALES;I;Standard deviation;0.76 MALES;II;Average;1.25 MALES;II;Standard deviation;0.72 MALES;III;Average;1.31 MALES;III;Standard deviation;0.71 MALES;IV;Average;1.50 MALES;IV;Standard deviation;1.94 MALES;V;Average;1.38 MALES;V;Standard deviation;0.98 MALES;VI;Average;1.30 MALES;VI;Standard deviation;0.70 MALES;No data recorded;Average;. MALES;No data recorded;Standard deviation;. FEMALES;Total;Average;1.35 FEMALES;Total;Standard deviation;1.03 FEMALES;I;Average;1.18 FEMALES;I;Standard deviation;0.45 FEMALES;II;Average;1.37 FEMALES;II;Standard deviation;0.95 FEMALES;III;Average;1.30 FEMALES;III;Standard deviation;0.86 FEMALES;IV;Average;1.41 FEMALES;IV;Standard deviation;1.08 FEMALES;V;Average;1.34 FEMALES;V;Standard deviation;1.09 FEMALES;VI;Average;1.40 FEMALES;VI;Standard deviation;1.22 FEMALES;No data recorded;Average;1.73 FEMALES;No data recorded;Standard deviation;1.25