For those children who were reported as having specified categories of impairments, only one category was recorded for 28% of children whilst all eight categories were recorded for 8% of children.
Ar gyfer y plant hynny yr adroddwyd eu bod â chategorïau penodol o amhariadau, dim ond un categori a gofnodwyd ar gyfer 28% o blant tra bod yr wyth categori wedi'u cofnodi ar gyfer 8% o blant.