National tables: age and sex. Values Persons 18 to 49 years who have had more than one sexual partner in the last year by age group and sex. Units: Thousands of persons ;Both sexes;Males;Females; Total;3,539.7;2,361.7;1,178.0; From 18 to 29 years of age;1,900.1;1,219.6;680.6; From 30 to 39 years of age;1,016.3;706.8;309.5; From 40 to 49 years of age;623.3;435.4;187.9; 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