The largest annual increases were in Wrexham, Denbighshire, Conwy and Flintshire (154%, 78%, 63% and 55% respectively).
Cafwyd y cynnydd blynyddol mwyaf yng Wrecsam, Sir Ddinbych, Conwy a Sir y Fflint (154%, 78%, 63% a 55% yn y drefn honno).