However in March 2024, the increase in non-residential transactions over February was due to purchases and the reasons for this are unclear.
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.