Survey on Adult Population Involvement in Learning Activities GENERAL RESULTS Average number of training hours per activity in formal and non-formal education activities by sex and maximum educational level achieved Units: hours ;Average; BOTH SEX; Total;171.44; Secondary education, first stage primary education and illiterate;164.00; Intermediate level studies;236.35; Higher and university studies;135.01; MALE; Total;168.15; Secondary education, first stage primary education and illiterate;158.26; Intermediate level studies;234.61; Higher and university studies;129.03; FEMALE; Total;174.74; Secondary education, first stage primary education and illiterate;172.38; Intermediate level studies;238.11; Higher and university studies;139.93; Notes: 1) The category 'Intermediate level studies' includes: Secondary education, intermediate technical-vocational education and other. Data referring to 12 months before the date of the survey. The symbol '.' means that data is not available, since it is affected by sampling errors. Source: National Statistics Institut