Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Average number of training hours in formal and informal education activities, by sex and nationality of the person carrying them out. Units: hours Average BOTH SEXES Total 172.24 First stage secondary education and lower 128.14 Intermediate-level studies 183.96 Tertiary level and university studies 192.86 MALES Total 157.40 First stage secondary education and lower 107.42 Intermediate-level studies 172.01 Tertiary level and university studies 181.96 FEMALES Total 186.79 First stage secondary education and lower 150.01 Intermediate-level studies 196.64 Tertiary level and university studies 202.71 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