Survey on Adult Population Involvement in Learning Activities Formal and informal education. Percentage values Duration of the formal education activities carried out, by sex and age. Units: percentages ;Total;1 to 100 hours;101 to 400 hours;401 to 700 hours;More than 700 hours; BOTH SEXES; Total [25, 74];100.00;19.62;43.77;16.76;19.84; Subtotal [25, 64];100.00;19.48;43.51;16.81;20.20; 25 to 44 years of age;100.00;17.20;43.13;16.89;22.77; 45 to 64 years of age;100.00;29.75;45.20;16.42;.; 65 to 74 years of age;100.00;.;.;.;.; MALES; Total [25, 74];100.00;17.37;44.19;15.83;22.60; Subtotal [25, 64];100.00;17.19;44.44;15.64;22.73; 25 to 44 years of age;100.00;16.25;44.07;15.63;24.05; 45 to 64 years of age;100.00;.;46.61;.;.; 65 to 74 years of age;.;.;.;.;.; FEMALES; Total [25, 74];100.00;21.48;43.43;17.54;17.55; Subtotal [25, 64];100.00;21.43;42.72;17.80;18.05; 25 to 44 years of age;100.00;18.07;42.27;18.06;21.59; 45 to 64 years of age;100.00;33.80;44.38;.;.; 65 to 74 years of age;.;.;.;.;.; Notes: .Data protected by statistical secrecy Data referring to the 12 months prior to the date of the survey. The symbol '.' shall be deemed as data which cannot be provided since it may be affected by sampling errors. Source: National Statistics Institute