However in March 2022, the increase in non-residential transactions over February was due to purchases, and the reasons for this are yet to emerge.
Fodd bynnag, ym mis Mawrth 2022, pryniannau oedd i gyfrif am y cynnydd mewn trafodiadau amhreswyl dros fis Chwefror, ac nid yw'r rhesymau am hyn yn glir.