The most common reason for sessions missed during the week of 8 November to 12 November 2021 was illness (code “I”), with 5.5% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 8 Tachwedd i 12 Tachwedd 2021 oedd salwch (cod “I”), gyda 5.5% o sesiynau wedi’u colli oherwydd y rheswm hwn.