Survey on Adult Population Involvement in Learning Activities 
Formal and informal education. Percentage values
Duration of the formal education activities carried out, by sex and highest level of studies completed.
Units: percentages

;Total;1 to 100 hours;101 to 400 hours;401 to 700 hours;More than 700 hours;
BOTH SEXES;
    Total;100.00;19.62;43.77;16.76;19.84;
    First stage secondary education and lower;100.00;21.87;46.78;20.90;.;
    Intermediate-level studies;100.00;11.69;41.40;16.45;30.47;
    Tertiary level and university studies;100.00;22.17;44.00;15.92;17.91;
MALES;
    Total;100.00;17.37;44.19;15.83;22.60;
    First stage secondary education and lower;100.00;.;.;.;.;
    Intermediate-level studies;100.00;.;51.14;.;30.57;
    Tertiary level and university studies;100.00;20.54;41.95;16.22;21.30;
FEMALES;
    Total;100.00;21.48;43.43;17.54;17.55;
    First stage secondary education and lower;100.00;.;51.15;.;.;
    Intermediate-level studies;100.00;.;32.54;21.54;30.37;
    Tertiary level and university studies;100.00;23.48;45.64;15.69;15.19;
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