The most common reason for sessions missed during the week of 6 December to 10 December 2021 was illness (code “I”), with 5.6% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 6 Rhagfyr i 10 Rhagfyr 2021 oedd salwch (cod “I”), gyda 5.6% o sesiynau wedi’u colli oherwydd y rheswm hwn.