There were 620 new incidents in the 12 months to March 2023, a decrease of 2.4% compared with the previous 12 months when there were 635 new incidents.
Roedd 620 o achosion newydd yn ystod y 12 mis hyd at fis Mawrth 2023, sy’n ostyngiad o 2.4% o’i gymharu â’r 12 mis blaenorol pan oedd 635 o achosion newydd.