Disability, Independence and Dependency Situations Survey Employment and Education. National results: 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 Units: 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,11.4,8.4,3.0, Notes: 1) 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. Source: National Statistics Institute