The most common reason for sessions missed during the week of 22 November to 26 November 2021 was illness (code “I”), with 7.0% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 22 Tachwedd i 26 Tachwedd 2021 oedd salwch (cod “I”), gyda 7.0% o sesiynau wedi’u colli oherwydd y rheswm hwn.