Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average expenditure per participant in informal education activities, by sex and employment situation at the time of the interview. Units: euros Total Expenses on registration, classes and exam fees Expenses on books and materials BOTH SEXES Total 706.51 460.72 245.79 Working 801.43 504.59 296.84 Unemployed 730.74 501.56 229.18 Inactive 412.93 311.76 101.17 MALES Total 827.25 538.52 288.73 Working 878.41 552.88 325.53 Unemployed . 635.67 . Inactive 466.15 382.35 83.80 FEMALES Total 631.91 414.06 217.85 Working 738.22 466.77 271.45 Unemployed 687.70 439.31 248.39 Inactive 397.90 292.84 105.06 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