Sex;Social class;Number of cigarettes;Total BOTH SEXES;Total;Total;100.00 BOTH SEXES;Total;Between 1 and 9 cigarettes;28.73 BOTH SEXES;Total;Between 10 and 19 cigarettes;35.81 BOTH SEXES;Total;20 cigarettes or more;35.45 BOTH SEXES;I;Total;100.00 BOTH SEXES;I;Between 1 and 9 cigarettes;33.90 BOTH SEXES;I;Between 10 and 19 cigarettes;34.21 BOTH SEXES;I;20 cigarettes or more;31.89 BOTH SEXES;II;Total;100.00 BOTH SEXES;II;Between 1 and 9 cigarettes;35.16 BOTH SEXES;II;Between 10 and 19 cigarettes;40.15 BOTH SEXES;II;20 cigarettes or more;24.68 BOTH SEXES;III;Total;100.00 BOTH SEXES;III;Between 1 and 9 cigarettes;31.00 BOTH SEXES;III;Between 10 and 19 cigarettes;37.12 BOTH SEXES;III;20 cigarettes or more;31.88 BOTH SEXES;IV;Total;100.00 BOTH SEXES;IV;Between 1 and 9 cigarettes;27.21 BOTH SEXES;IV;Between 10 and 19 cigarettes;38.24 BOTH SEXES;IV;20 cigarettes or more;34.56 BOTH SEXES;V;Total;100.00 BOTH SEXES;V;Between 1 and 9 cigarettes;26.34 BOTH SEXES;V;Between 10 and 19 cigarettes;34.69 BOTH SEXES;V;20 cigarettes or more;38.97 BOTH SEXES;VI;Total;100.00 BOTH SEXES;VI;Between 1 and 9 cigarettes;28.94 BOTH SEXES;VI;Between 10 and 19 cigarettes;32.40 BOTH SEXES;VI;20 cigarettes or more;38.66 BOTH SEXES;No data recorded;Total;100.00 BOTH SEXES;No data recorded;Between 1 and 9 cigarettes;21.00 BOTH SEXES;No data recorded;Between 10 and 19 cigarettes;42.23 BOTH SEXES;No data recorded;20 cigarettes or more;36.77 MALES;Total;Total;100.00 MALES;Total;Between 1 and 9 cigarettes;23.30 MALES;Total;Between 10 and 19 cigarettes;34.88 MALES;Total;20 cigarettes or more;41.82 MALES;I;Total;100.00 MALES;I;Between 1 and 9 cigarettes;28.82 MALES;I;Between 10 and 19 cigarettes;31.61 MALES;I;20 cigarettes or more;39.57 MALES;II;Total;100.00 MALES;II;Between 1 and 9 cigarettes;28.84 MALES;II;Between 10 and 19 cigarettes;39.10 MALES;II;20 cigarettes or more;32.06 MALES;III;Total;100.00 MALES;III;Between 1 and 9 cigarettes;26.55 MALES;III;Between 10 and 19 cigarettes;36.35 MALES;III;20 cigarettes or more;37.10 MALES;IV;Total;100.00 MALES;IV;Between 1 and 9 cigarettes;23.82 MALES;IV;Between 10 and 19 cigarettes;36.49 MALES;IV;20 cigarettes or more;39.69 MALES;V;Total;100.00 MALES;V;Between 1 and 9 cigarettes;18.54 MALES;V;Between 10 and 19 cigarettes;34.87 MALES;V;20 cigarettes or more;46.59 MALES;VI;Total;100.00 MALES;VI;Between 1 and 9 cigarettes;26.63 MALES;VI;Between 10 and 19 cigarettes;31.07 MALES;VI;20 cigarettes or more;42.30 MALES;No data recorded;Total;100.00 MALES;No data recorded;Between 1 and 9 cigarettes;17.01 MALES;No data recorded;Between 10 and 19 cigarettes;39.34 MALES;No data recorded;20 cigarettes or more;43.66 FEMALES;Total;Total;100.00 FEMALES;Total;Between 1 and 9 cigarettes;35.60 FEMALES;Total;Between 10 and 19 cigarettes;36.99 FEMALES;Total;20 cigarettes or more;27.40 FEMALES;I;Total;100.00 FEMALES;I;Between 1 and 9 cigarettes;39.97 FEMALES;I;Between 10 and 19 cigarettes;37.31 FEMALES;I;20 cigarettes or more;22.72 FEMALES;II;Total;100.00 FEMALES;II;Between 1 and 9 cigarettes;41.21 FEMALES;II;Between 10 and 19 cigarettes;41.16 FEMALES;II;20 cigarettes or more;17.63 FEMALES;III;Total;100.00 FEMALES;III;Between 1 and 9 cigarettes;35.39 FEMALES;III;Between 10 and 19 cigarettes;37.89 FEMALES;III;20 cigarettes or more;26.72 FEMALES;IV;Total;100.00 FEMALES;IV;Between 1 and 9 cigarettes;33.02 FEMALES;IV;Between 10 and 19 cigarettes;41.22 FEMALES;IV;20 cigarettes or more;25.76 FEMALES;V;Total;100.00 FEMALES;V;Between 1 and 9 cigarettes;36.77 FEMALES;V;Between 10 and 19 cigarettes;34.45 FEMALES;V;20 cigarettes or more;28.77 FEMALES;VI;Total;100.00 FEMALES;VI;Between 1 and 9 cigarettes;32.00 FEMALES;VI;Between 10 and 19 cigarettes;34.16 FEMALES;VI;20 cigarettes or more;33.83 FEMALES;No data recorded;Total;100.00 FEMALES;No data recorded;Between 1 and 9 cigarettes;24.24 FEMALES;No data recorded;Between 10 and 19 cigarettes;44.58 FEMALES;No data recorded;20 cigarettes or more;31.18