This is shown in the percentage of volunteers making up the sector across the two surveys, with an overall drop of 32 percentage points between the 2019 and 2022 surveys.
Dangosir hyn yng nghanran y gwirfoddolwyr sy'n rhan o'r sector ar draws y ddau arolwg, gyda chwymp cyffredinol o 32 pwynt canran rhwng arolygon 2019 a 2022.