The Welsh Government's Corporate Research branch conducted an online survey between 21 August and 11 September 2019, to which 91 people responded.
Cynhaliodd cangen Ymchwil Corfforaethol Llywodraeth Cymru arolwg ar-lein rhwng 21 Awst ac 11 Medi 2019, ac ymatebodd 91 o bobl i gyd.