For explanatory notes on these statistics, see the User guide to crime statistics for England and Wales: Measuring crime during the COVID-19 pandemic (ONS).
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 COVID-19 (SYG).