National tables. Lifestyles: alcohol intake. Percentages Rate of persons who have had casual partners in the last year by sex and frequency of alcohol intake in the last 12 months Units: percentages Both sexes Males Females Total 14.49 21.75 6.97 Four or more days a week 16.85 19.48 7.33 One to three days a week 19.40 25.21 10.43 Less than one day a week 10.99 18.06 6.69 Never 7.41 17.34 3.41 Notes: 1) Rate calculated with regards total population of 18 to 49 year olds 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