The most common reason for sessions missed during the week of 14 to 17 February 2022 was illness (code “I”), with 4.2% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 14 i 17 Chwefror 2022 oedd salwch (cod “I”), gyda 4.2% o sesiynau wedi’u colli oherwydd y rheswm hwn.