Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average expenditure per formal education activity, by sex and age group of the person carrying it out. Units: euros Total Expenses on registration, classes and exam fees Expenses on books and materials BOTH SEXES Total [25, 74] 1,084.83 833.61 251.22 Subtotal [25, 64] 1,092.16 838.69 253.47 25 to 44 years of age 1,153.41 894.66 258.75 45 to 64 years of age 725.31 499.98 225.33 65 to 74 years of age . . . MALES Total [25, 74] 1,320.79 1,068.65 252.14 Subtotal [25, 64] 1,320.79 1,068.65 252.14 25 to 44 years of age 1,354.36 1,104.20 250.16 45 to 64 years of age 1,076.97 811.78 265.19 65 to 74 years of age . . . FEMALES Total [25, 74] 882.60 632.05 250.55 Subtotal [25, 64] 893.40 638.93 254.47 25 to 44 years of age 969.95 704.45 265.50 45 to 64 years of age 496.72 293.33 203.39 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