National tables: studies, age and sex. Values Persons 18 to 49 years by sex, parents' highest level of studies and communication with parents on sexuality. Units: thousands of persons ,Total,Satisfactory,Unsatisfactory,No communication,No data recorded, Both sexes, Total,20,759.6,7,945.6,4,783.1,7,870.8,160.0, Lower than secondary education,15,169.1,5,194.9,3,503.1,6,349.1,121.9, Secondary education,2,789.3,1,415.7,670.4,686.7,16.5, University,2,267.1,1,173.0,540.4,539.9,13.8, No data recorded,534.1,162.0,69.2,295.1,7.7, Males, Total,10,532.1,4,147.6,2,296.5,4,005.2,82.9, Lower than secondary education,7,651.8,2,736.9,1,655.8,3,192.6,66.4, Secondary education,1,344.2,664.6,327.5,344.2,8.0, University,1,221.7,642.2,282.5,292.4,4.6, No data recorded,314.4,103.8,30.7,176.1,3.8, Females, Total,10,227.5,3,798.1,2,486.6,3,865.6,77.1, Lower than secondary education,7,517.3,2,458.0,1,847.3,3,156.5,55.5, Secondary education,1,445.1,751.1,342.9,342.5,8.6, University,1,045.4,530.7,257.9,247.6,9.3, No data recorded,219.7,58.2,38.6,119.0,3.9, 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