As a consequence there was an increase in sessions missed due to study leave from 739 for the week 17 May to 21 May to 9,025 for the week of 12 July to 16 July (table 6).
O ganlyniad, bu cynnydd yn nifer y sesiynau a gollwyd oherwydd absenoldeb astudio o 739 ar gyfer yr wythnos 17 Mai i 21 Mai i 9,025 ar gyfer yr wythnos rhwng 12 Gorffennaf ac 16 Gorffennaf (tabl 6).