No differences could be identified between July 2021 to January 2022 and April 2022 to March 2023, however both showed increases in all four behaviours compared with April 2018 to March 2019.
Ni ellid nodi unrhyw wahaniaethau rhwng Gorffennaf 2021 ac Ionawr 2022 a 2022-23, ond dangosodd y ddau gynnydd ym mhob un o’r pedwar ymddygiad o gymharu â 2018-19.