Over nearly 3 years from April 2018 to February 2021, monthly non-residential revenues reached between £8 million and £10 million on only 5 occasions.
Rhwng 2018-19 a 2022-23, roedd cyfanswm yr ardrethi annomestig a gasglwyd gan dalwyr ardrethi yn fwy nag £1 biliwn bob blwyddyn.