Following a review of methods, quality and utility we have now removed the experimental label and from November 2022 these are official statistics (UKSA).
Ar ôl adolygu dulliau, ansawdd a defnyddioldeb, rydym bellach wedi dileu’r label arbrofol ac o fis Tachwedd 2022, mae’r rhain yn ystadegau swyddogol (UKSA).