National tables: age and sex. Percentages Persons 18 to 49 years by sex, age group and communication with parents on sexuality. Units: percentages ;Total;Satisfactory;Unsatisfactory;No communication; Both sexes; Total;100.00;38.57;23.22;38.21; From 18 to 29 years of age;100.00;53.55;20.56;25.89; From 30 to 39 years of age;100.00;34.90;24.61;40.49; From 40 to 49 years of age;100.00;23.79;24.98;51.23; Males; Total;100.00;39.69;21.98;38.33; From 18 to 29 years of age;100.00;54.22;18.53;27.24; From 30 to 39 years of age;100.00;36.25;22.47;41.28; From 40 to 49 years of age;100.00;24.84;25.88;49.28; Females; Total;100.00;37.42;24.50;38.08; From 18 to 29 years of age;100.00;52.84;22.70;24.46; From 30 to 39 years of age;100.00;33.52;26.81;39.67; From 40 to 49 years of age;100.00;22.74;24.07;53.19; 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