However, in March 2023, the increase in non-residential transactions over February was due to purchases, and the reasons for this are unclear.
Fodd bynnag, yn Mawrth 2023, pryniannau oedd i gyfrif am y cynnydd mewn trafodiadau amhreswyl dros fis Chwefror, ac nid yw'r rhesymau am hyn yn glir.