It shows that attendance ranged from 87% to 93% between 9 November and 4 December with an average of 91%, before falling over the last 2 weeks of term before Christmas.
Mae'n dangos bod presenoldeb wedi amrywio o 87% i 93% rhwng 9 Tachwedd a 4 Rhagfyr gyda chyfartaledd o 91%, cyn gostwng dros bythefnos olaf y tymor cyn y Nadolig.