For the weight of soils and stones disposed at the lower rate of tax, there was a 10% increase from the same quarter a year earlier, to 43 thousand tonnes.
Ar gyfer pwysau priddoedd a cherrig a waredwyd ar y gyfradd dreth is, bu cynnydd o 10% o'r un chwarter flwyddyn ynghynt, i 43 mil o dunelli.