Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average number of hours of instruction per person in formal education activities, by sex and age group of the person carrying them out. Units: hours Average BOTH SEXES Total [25, 74] 413.88 Subtotal [25, 64] 417.30 25 to 44 years of age 444.52 45 to 64 years of age 295.02 65 to 74 years of age . MALES Total [25, 74] 437.28 Subtotal [25, 64] 438.18 25 to 44 years of age 451.62 45 to 64 years of age 358.93 65 to 74 years of age . FEMALES Total [25, 74] 394.45 Subtotal [25, 64] 399.56 25 to 44 years of age 437.97 45 to 64 years of age 258.18 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