This compares with 26% in 2019-20 (when the survey took place face-to-face) and 29% in 2021-22 (when the volunteering questions were asked as part of the online module for the first time).
Mae hyn yn cymharu â 26% yn 2019 i 2020 (pan gynhaliwyd yr arolwg wyneb yn wyneb) a 29% yn 2021 i 2022 (pan ofynnwyd y cwestiynau gwirfoddoli fel rhan o’r modiwl ar-lein am y tro cyntaf).