National tables: age and sex. Percentages Persons 18 to 49 years who have had sexual relationships at some time in their life by sex, age group and initial age at first relationship. Units: percentages Total Under 14 years old From 14 to 15 years of age From 16 to 17 years of age From 18 to 19 years of age 20 years old or above Both sexes Total 100.00 2.05 10.16 27.92 29.79 30.09 From 18 to 29 years of age 100.00 2.02 13.06 34.24 29.88 20.80 From 30 to 39 years of age 100.00 2.39 9.19 26.65 29.86 31.91 From 40 to 49 years of age 100.00 1.67 7.78 21.70 29.59 39.26 Males Total 100.00 3.53 12.57 31.69 28.18 24.02 From 18 to 29 years of age 100.00 3.18 15.20 36.59 28.10 16.93 From 30 to 39 years of age 100.00 4.50 11.69 30.36 27.20 26.25 From 40 to 49 years of age 100.00 2.84 10.26 27.03 29.46 30.41 Females Total 100.00 0.47 7.63 23.93 31.48 36.48 From 18 to 29 years of age 100.00 0.73 10.68 31.63 31.86 25.10 From 30 to 39 years of age 100.00 0.21 6.61 22.83 32.61 37.74 From 40 to 49 years of age 100.00 0.49 5.25 16.27 29.74 48.25 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