For explanatory notes on these statistics, see the User guide to crime statistics for England and Wales: Measuring crime during the Coronavirus (COVID-19) pandemic (Office for National Statistics).
Am nodiadau esboniadol ar yr ystadegau hyn, gweler y Canllaw i Ddefnyddwyr ar ystadegau troseddu ar gyfer Cymru a Lloegr: Mesur troseddu yn ystod pandemig y Coronafeirws (COVID-19) (SYG).