People living in Blaenau Gwent, by contrast, were less likely than average to have bought or received second-hand items, with 61% of people in the local authority having done so.
Roedd pobl sy’n byw ym Mlaenau Gwent, mewn cyferbyniad, yn llai tebygol na’r cyfartaledd o fod wedi prynu neu dderbyn eitemau ail-law, gyda 61% o bobl yn yr awdurdod lleol wedi gwneud hynny.