Survey of public views on the coronavirus (COVID-19): 26 February to 1 March 2021, file type: ODS, file size: 8 KB
Arolwg o farn y cyhoedd ar y coronafeirws (COVID-19): 26 Chwefror i 1 Mawrth 2021, math o ffeil: ODS, maint ffeil: 8 KB