Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Duration of the informal education acitivity, by sex and highest level of studies completed of the person carrying it out. Units: persons Total 1 to 100 hours 101 to 400 hours 401 to 700 hours More than 700 hours No data recorded BOTH SEXES Total 7,214,635 4,754,231 1,393,094 208,439 140,427 718,444 First stage secondary education and lower 2,163,891 1,464,557 378,825 69,813 35,854 214,842 Intermediate-level studies 1,725,212 1,102,535 357,578 43,518 35,070 186,511 Tertiary level and university studies 3,325,534 2,187,139 656,691 95,109 69,503 317,092 MALES Total 3,594,136 2,497,113 591,473 92,724 51,880 360,946 First stage secondary education and lower 1,122,863 822,345 140,801 . . 115,478 Intermediate-level studies 897,715 593,541 162,690 . . 97,726 Tertiary level and university studies 1,573,557 1,081,226 287,982 32,244 . 147,742 FEMALES Total 3,620,499 2,257,118 801,621 115,715 88,547 357,498 First stage secondary education and lower 1,041,027 642,211 238,024 40,420 . 99,364 Intermediate-level studies 827,497 508,994 194,888 . . 88,785 Tertiary level and university studies 1,751,978 1,105,913 368,710 62,865 45,140 169,350 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