Testing data for coronavirus (COVID-19): up to 17 May 2020 (authorised tests per day), file type: ODS, file size: 9 KB
Data o brofion ar gyfer coronafeirws (COVID-19): hyd at 17 Mai 2020 (brofion wedi eu hawdurdodi bob dydd), math o ffeil: ODS, maint ffeil: 9 KB