Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average expenditure per formal education activity, by sex and highest level of studies completed by the person carrying it out. Units: euros Total Expenses on registration, classes and exam fees Expenses on books and materials BOTH SEXES Total 639.19 509.89 129.30 First stage secondary education and lower 162.20 117.10 45.10 Intermediate-level studies 655.06 495.21 159.85 Tertiary level and university studies 746.55 606.61 139.94 MALES Total 794.63 671.13 123.50 First stage secondary education and lower 245.74 199.25 . Intermediate-level studies 658.07 496.65 161.42 Tertiary level and university studies 961.85 833.19 128.66 FEMALES Total 512.07 378.16 133.91 First stage secondary education and lower 96.24 52.15 44.09 Intermediate-level studies 652.64 494.07 158.57 Tertiary level and university studies 567.00 417.97 149.03 Notes: .Data protected by statistical secrecy 1) The Intermediate-level studies category is comprised of: Post-Secondary Education, intermediate-level technical-professional education. 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