34% of convenience stores are part of a symbol group, which are in scope of the policy, however convenience stores not part of a symbol group are excluded.
Mae 34% o siopau cyfleustra yn rhan o grŵp symbol, sydd o fewn cwmpas y polisi, fodd bynnag, mae siopau cyfleustra nad ydynt yn rhan o grŵp symbol wedi'u heithrio.