Disability, Independence and Dependency Situations Survey Absolute figures Population 6 to 15 years old with disabilities, according to the frequency with which they missed school as a result of the disability during the 2006-2007 academic year, by sex Unidades: thousands of persons 6 to 15 years old ,Both sexes,Males,Females, Total,78,3,50,7,27,6, Unschooled,1,2,0,5,0,6, Less than one week,40,5,27,1,13,3, One or more weeks, but less than a month,15,4,8,7,6,7, Between one and three months,6,8,3,9,2,9, Between three and six months,1,7,1,3,0,4, Six months or more,1,2,0,7,0,5, No data recorded,11,4,8,4,3, Notas: The data corresponding to cells with fewer than 5 thousand persons must be viewed with caution, because it may be affected by large sampling errors. Fuente: National Statistics Institute