Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average expenditure per informal education activity, by sex and employment situation of the person carrying it out at the time of the interview. Units: euros Total Expenses on registration, classes and exam fees Expenses on books and materials BOTH SEXES Total 589.93 371.38 218.55 Working 669.76 407.57 262.19 Unemployed 630.84 420.24 210.60 Inactive 336.06 245.50 90.56 MALES Total 731.33 469.34 261.99 Working 778.62 487.11 291.51 Unemployed . 502.51 . Inactive 415.63 334.88 80.75 FEMALES Total 510.58 319.37 191.21 Working 590.85 353.94 236.91 Unemployed 601.58 378.60 222.98 Inactive 317.09 224.52 92.57 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