National tables: studies, age and sex. Values Persons who have had sexual relationship with new partners in the last year by sex, age group and studies. Units: thousands of persons ;Total;Lower than secondary education;Secondary education;University; Both sexes; Total;2,656.4;949.0;1,146.4;561.0; From 18 to 29 years of age;1,578.7;522.7;758.1;297.9; From 30 to 39 years of age;770.7;276.4;287.3;207.0; From 40 to 49 years of age;307.0;149.9;101.0;56.1; Males; Total;1,807.9;719.1;749.6;339.2; From 18 to 29 years of age;1,041.1;383.8;488.3;168.9; From 30 to 39 years of age;522.9;212.0;184.6;126.3; From 40 to 49 years of age;243.9;123.3;76.6;44.0; Females; Total;848.4;229.9;396.8;221.8; From 18 to 29 years of age;537.6;138.9;269.8;129.0; From 30 to 39 years of age;247.8;64.4;102.7;80.8; From 40 to 49 years of age;63.0;26.6;24.3;12.0; 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