SEX;SOCIAL CLASS;EXPOSURE TO TOBACCO SMOKE;Total BOTH SEXES;Total;Total;100.00 BOTH SEXES;Total;Every day;7.79 BOTH SEXES;Total;At least once a week;6.57 BOTH SEXES;Total;Less than once a week;5.51 BOTH SEXES;Total;Never or almost never;80.14 BOTH SEXES;I;Total;100.00 BOTH SEXES;I;Every day;3.87 BOTH SEXES;I;At least once a week;6.42 BOTH SEXES;I;Less than once a week;6.45 BOTH SEXES;I;Never or almost never;83.26 BOTH SEXES;II;Total;100.00 BOTH SEXES;II;Every day;5.48 BOTH SEXES;II;At least once a week;5.72 BOTH SEXES;II;Less than once a week;6.17 BOTH SEXES;II;Never or almost never;82.64 BOTH SEXES;III;Total;100.00 BOTH SEXES;III;Every day;7.03 BOTH SEXES;III;At least once a week;7.33 BOTH SEXES;III;Less than once a week;6.37 BOTH SEXES;III;Never or almost never;79.27 BOTH SEXES;IV;Total;100.00 BOTH SEXES;IV;Every day;8.31 BOTH SEXES;IV;At least once a week;6.82 BOTH SEXES;IV;Less than once a week;4.73 BOTH SEXES;IV;Never or almost never;80.14 BOTH SEXES;V;Total;100.00 BOTH SEXES;V;Every day;9.73 BOTH SEXES;V;At least once a week;6.34 BOTH SEXES;V;Less than once a week;4.80 BOTH SEXES;V;Never or almost never;79.13 BOTH SEXES;VI;Total;100.00 BOTH SEXES;VI;Every day;10.49 BOTH SEXES;VI;At least once a week;6.68 BOTH SEXES;VI;Less than once a week;4.69 BOTH SEXES;VI;Never or almost never;78.14 BOTH SEXES;Not recorded;Total;100.00 BOTH SEXES;Not recorded;Every day;9.45 BOTH SEXES;Not recorded;At least once a week;4.66 BOTH SEXES;Not recorded;Less than once a week;6.02 BOTH SEXES;Not recorded;Never or almost never;79.86 Men;Total;Total;100.00 Men;Total;Every day;8.34 Men;Total;At least once a week;7.58 Men;Total;Less than once a week;6.29 Men;Total;Never or almost never;77.79 Men;I;Total;100.00 Men;I;Every day;3.66 Men;I;At least once a week;7.74 Men;I;Less than once a week;6.97 Men;I;Never or almost never;81.63 Men;II;Total;100.00 Men;II;Every day;4.99 Men;II;At least once a week;6.54 Men;II;Less than once a week;8.25 Men;II;Never or almost never;80.22 Men;III;Total;100.00 Men;III;Every day;7.84 Men;III;At least once a week;7.87 Men;III;Less than once a week;7.11 Men;III;Never or almost never;77.18 Men;IV;Total;100.00 Men;IV;Every day;8.83 Men;IV;At least once a week;7.88 Men;IV;Less than once a week;5.40 Men;IV;Never or almost never;77.88 Men;V;Total;100.00 Men;V;Every day;11.15 Men;V;At least once a week;7.32 Men;V;Less than once a week;5.08 Men;V;Never or almost never;76.45 Men;VI;Total;100.00 Men;VI;Every day;10.95 Men;VI;At least once a week;8.48 Men;VI;Less than once a week;6.14 Men;VI;Never or almost never;74.43 Men;Not recorded;Total;100.00 Men;Not recorded;Every day;9.54 Men;Not recorded;At least once a week;4.01 Men;Not recorded;Less than once a week;8.93 Men;Not recorded;Never or almost never;77.52 Women;Total;Total;100.00 Women;Total;Every day;7.26 Women;Total;At least once a week;5.59 Women;Total;Less than once a week;4.75 Women;Total;Never or almost never;82.39 Women;I;Total;100.00 Women;I;Every day;4.09 Women;I;At least once a week;4.99 Women;I;Less than once a week;5.89 Women;I;Never or almost never;85.03 Women;II;Total;100.00 Women;II;Every day;5.91 Women;II;At least once a week;4.99 Women;II;Less than once a week;4.33 Women;II;Never or almost never;84.77 Women;III;Total;100.00 Women;III;Every day;6.26 Women;III;At least once a week;6.82 Women;III;Less than once a week;5.65 Women;III;Never or almost never;81.27 Women;IV;Total;100.00 Women;IV;Every day;7.71 Women;IV;At least once a week;5.62 Women;IV;Less than once a week;3.98 Women;IV;Never or almost never;82.69 Women;V;Total;100.00 Women;V;Every day;8.36 Women;V;At least once a week;5.39 Women;V;Less than once a week;4.53 Women;V;Never or almost never;81.71 Women;VI;Total;100.00 Women;VI;Every day;10.12 Women;VI;At least once a week;5.27 Women;VI;Less than once a week;3.56 Women;VI;Never or almost never;81.04 Women;Not recorded;Total;100.00 Women;Not recorded;Every day;9.40 Women;Not recorded;At least once a week;5.02 Women;Not recorded;Less than once a week;4.38 Women;Not recorded;Never or almost never;81.19