The value of tax at risk has been affected by a few larger unrepresentative transactions over the period shown but largely tracks the numbers of transactions for this risk.
Effeithiwyd ar werth treth mewn perygl gan ychydig o drafodiadau anghynrychioliadol mwy o faint dros y cyfnod a ddangosir ond mae'n olrhain i raddau helaeth nifer y trafodiadau ar gyfer y risg hon.