There was a step change between 2021-22 and 2022-23, with record numbers of red calls per 10,000 population set across all health boards in 2022-23.
Bu newid sylweddol rhwng 2021-22 a 2022-23, gyda'r niferoedd uchaf erioed o alwadau coch am bob 10,000 o'r boblogaeth ar draws pob bwrdd iechyd yn 2022-23.