Note that the latest data for Wales and England refers to 2020-21, for Scotland it refers to 2019-20 and for the calendar year 2020 in Northern Ireland.
Sylwch fod data o Arolwg Troseddu Cymru a Lloegr ar gyfer 2018 i 2020 yn awgrymu mai dim ond tua hanner yr holl achosion o droseddau casineb sy’n dod i sylw’r heddlu yng Nghymru a Lloegr.