Sampling errors Tobacco use, by sex and age group. Population aged 15 years old and over. Variation coefficient. Units: percentages ;Daily smoker;Occasional smoker;Ex-smokers;Has never smoked; BOTH SEXES; Total;1.63;5.19;1.79;1.08; 15 to 24 years old;5.73;13.91;14.39;3.52; 25 to 34 years old;4.05;11.04;6.14;3.32; 35 to 44 years old;3.25;10.46;4.44;2.79; 45 to 54 years old;3.38;11.07;3.94;3.39; 55 to 64 years old;4.77;12.91;4.00;3.17; 65 to 74 years old;7.25;20.37;4.49;2.92; 75 to 84 years old;12.35;33.57;5.99;2.93; 85 years old and over;32.74;63.46;10.41;5.18; MALES; Total;2.24;7.05;2.25;1.96; 15 to 24 years old;7.98;18.19;22.68;4.83; 25 to 34 years old;5.60;15.00;9.41;4.82; 35 to 44 years old;4.38;13.73;6.00;4.09; 45 to 54 years old;4.62;14.59;5.19;5.16; 55 to 64 years old;6.21;18.77;4.84;6.38; 65 to 74 years old;8.75;24.41;4.94;6.16; 75 to 84 years old;13.28;38.84;6.37;6.34; 85 years old and over;37.83;69.78;10.63;12.44; FEMALES; Total;2.50;7.37;3.11;1.34; 15 to 24 years old;8.32;19.92;18.64;4.96; 25 to 34 years old;5.73;16.34;7.95;4.53; 35 to 44 years old;4.94;15.53;6.21;3.74; 45 to 54 years old;5.00;16.06;5.99;4.33; 55 to 64 years old;7.59;18.06;7.15;3.65; 65 to 74 years old;12.61;36.05;10.42;3.26; 75 to 84 years old;32.93;58.12;17.02;3.38; 85 years old and over;57.86;10.15;42.81;5.68; Notes: The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample. The symbol '..' shall be deemed as data which are not collected for this classification in the table. The symbol '...' shall be deemed as an error of division by zero. The data corresponding to cells with fewer than 35 thousand persons must be considered with caution, as they may be affected by a high degree of sampling error. Source: Ministry of Public Health, Social Services and Equality and INE