However, official statistics on calls to the ambulance service are once again published every month as part of the NHS activity and performance statistical release.
Er hynny, mae ystadegau swyddogol am alwadau i'r gwasanaeth ambiwlans yn cael eu cyhoeddi unwaith eto bob mis fel rhan o'r datganiad ystadegol Gweithgarwch a Pherfformiad y GIG.