Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average number of formal and informal education activities in which s/he has participated, by sex and highest level of studies completed. Units: activities Average BOTH SEXES Total 1.65 First stage secondary education and lower 1.35 Intermediate-level studies 1.59 Tertiary level and university studies 1.87 MALES Total 1.63 First stage secondary education and lower 1.32 Intermediate-level studies 1.63 Tertiary level and university studies 1.84 FEMALES Total 1.67 First stage secondary education and lower 1.38 Intermediate-level studies 1.55 Tertiary level and university studies 1.89 Notes: 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