“Quarterly residential LTT revenues in January to March were the lowest we have seen since the same quarter 2 years earlier, though generally have remained higher than in the 3 years prior to that.
Yn ystod y ddwy flynedd y mae gennym ddata ar gyfer Rhifedd (Rhesymu), mae Blwyddyn 3 yn weddol sefydlog, ond mae gwahaniaethau mwy ar gyfer y ddau grŵp blwyddyn arall a ddangosir.