Note: The number of respondents who have indicated that they used another language or that this question was not applicable to them are small and should be treated with caution.
Nodyn: Mae nifer yr ymatebwyr sydd wedi nodi eu bod yn defnyddio iaith arall neu fod y cwestiwn hwn yn amherthnasol iddynt yn fach, a dylid eu trin â gofal.