We have already tackled about 5% of the amendments that need to be applied but I anticipate it will take a number of years to bring the backlog down.
Rydym eisoes wedi gwneud rhyw 5% o'r diwygiadau y mae angen eu dangos ond rwy'n rhagweld y bydd yn cymryd nifer o flynyddoedd leihau’r gwaith sydd wedi cronni.