National tables: studies, age and sex. Percentages
Persons who have had sexual rel. with casual partners in the    last year by sex, studies and use of condom with casual  partners.
Units: percentages

,Total,Always,Not always,
Both sexes,
    Total,100.00,59.03,40.97,
    Lower than secondary education,100.00,57.77,42.23,
    Secondary education,100.00,61.00,39.00,
    University,100.00,57.66,42.34,
Males,
    Total,100.00,59.85,40.15,
    Lower than secondary education,100.00,61.58,38.42,
    Secondary education,100.00,60.31,39.69,
    University,100.00,54.61,45.39,
Females,
    Total,100.00,56.48,43.52,
    Lower than secondary education,100.00,42.69,57.31,
    Secondary education,100.00,62.97,37.03,
    University,100.00,64.47,35.53,
Notes:
Data corresponding to cells with less than 45,000 persons must be used with  caution, because they may be affected by high sample errors.
Source: National Statistics Institute