By looking at the cases from 2018-19 that have been refunded since, we have been able to model the effect of bridging within the data we published for 2019-20.
Drwy edrych ar yr achosion o 2018-19 sydd wedi'u had-dalu ers hynny, rydym wedi gallu modelu effaith pontio o fewn y data a gyhoeddwyd gennym ar gyfer 2019-20.