There were 599 new incidents in the 12 months to December 2022, a decrease of 9.9% compared with the previous 12 months when there were 665 new incidents.
Roedd 599 o achosion newydd yn ystod y 12 mis hyd Rhagfyr 2022 sy’n ostyngiad o 9.9% o’i gymharu â’r 12 mis blaenorol pan oedd 665 o achosion newydd.