However, we can use the data to highlight the extent of variation in the value of properties and the tax raised per transaction in each Welsh local authority area.
Fodd bynnag, fe allwn ni ddefnyddio'r data i dynnu sylw at faint yr amrywiad yng ngwerth eiddo a'r dreth a godir fesul trafodiad ym mhob ardal awdurdod lleol yng Nghymru.