In order to make comparisons with earlier periods and by transaction type on a like-for-like basis, it is this value we use (see Figure 2.3).
Er mwyn cymharu â chyfnodau cynharach ac yn ôl math o drafodiad ar sail debyg am debyg, dyma’r gwerth a ddefnyddir gennym (gweler Ffigur 2.3).