Figure 8: Percentage of the population in employment (aged 16 years or older) who are able to speak Welsh by profession, 2011 and 2021
Ffigur 8: Canran y boblogaeth mewn gwaith (16 oed neu'n hŷn) sy'n gallu siarad Cymraeg yn ôl galwedigaeth, 2011 a 2021