Swansea Bay had the fewest waiting more than one year (3,472 per 100,000) and the fewest waiting more than two years was in Swansea Bay (369 per 100,000).
Bae Abertawe oedd â’r nifer isaf yn aros mwy na blwyddyn (3,472 am bob 100,000) ac ym Mae Abertawe yr oedd y nifer isaf a oedd yn aros mwy na dwy flynedd (369 am bob 100,000).