Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Persons who have had expenses due to participation in formal education activities, by sex and highest level of studies completed by the person carrying them out. Units: persons Total Yes No No data recorded BOTH SEXES Total 1,544,506 916,910 437,059 190,538 First stage secondary education and lower 242,162 89,388 121,848 . Intermediate-level studies 362,583 222,249 79,019 61,316 Tertiary level and university studies 939,760 605,273 236,191 98,296 MALES Total 714,647 424,368 196,720 93,559 First stage secondary education and lower 106,751 42,538 50,529 . Intermediate-level studies 175,872 101,588 40,566 . Tertiary level and university studies 432,024 280,242 105,625 46,158 FEMALES Total 829,859 492,541 240,338 96,979 First stage secondary education and lower 135,411 46,850 71,319 . Intermediate-level studies 186,712 120,660 38,452 . Tertiary level and university studies 507,736 325,031 130,567 52,138 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