The most common reason for sessions missed during the week of 24 January to 28 January 2022 was absence due to COVID-19 (code “]”), with 5.5% of sessions missed for this reason.
Y rheswm mwyaf cyffredin dros sesiynau a gollwyd yn ystod yr wythnos rhwng 24 Ionawr i 28 Ionawr 2022 oedd absenoldeb oherwydd COVID-19 gyda 5.5% o sesiynau wedi’u colli oherwydd y rheswm hwn.