Survey on Adult Population Involvement in Learning Activities Formal and informal education. Percentage values Participation in informal education activities, by sex and nationality. Units: percentages Total None One Two Three or more BOTH SEXES Total 100.00 75.32 16.43 5.25 3.00 Spanish 100.00 74.59 16.58 5.57 3.26 Other nationality 100.00 81.21 15.21 2.72 . MALES Total 100.00 75.36 16.90 4.86 2.88 Spanish 100.00 74.46 17.19 5.18 3.18 Other nationality 100.00 82.42 14.63 . . FEMALES Total 100.00 75.28 15.97 5.64 3.11 Spanish 100.00 74.71 15.99 5.95 3.35 Other nationality 100.00 79.94 15.82 . . Notes: .Data protected by statistical secrecy 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