Table 5: The ability of Welsh speakers aged 16 or over to write in Welsh according to language use, fluency and where they started learning to speak the language, July 2019 to March 2020
Ffigur 4: Canran y siaradwyr Cymraeg sy'n siarad Cymraeg yn y gwaith yn ôl grŵp oedran, Gorffennaf 2019 i Fawrth 2020