The most common reason for sessions missed during the week of 17 January to 21 January 2022 was illness (code “I”), with 3.9% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 17 Ionawr i 21 Ionawr 2022 oedd salwch (cod “I”), gyda 3.9% o sesiynau wedi’u colli oherwydd y rheswm hwn.