For further information about the survey results, for example if you would like to see a different breakdown of results, contact the National Survey team at surveys@gov.wales or on 03000 256 685.
I gael rhagor o wybodaeth am ganlyniadau'r arolwg, er enghraifft gwahanol ddadansoddiadau o'r canlyniadau, cysylltwch â thîm yr Arolwg Cenedlaethol ar arolygon@llyw.cymru neu ar 0300 025 5050.