The rate remained the same in Cwm Taf Morgannwg, Betsi Cadwaladr and in Powys, but increased slightly in Hywel Dda, Aneurin Bevan and NHS Wales Shared Services Partnership.
Arhosodd y gyfradd yr un fath yng Nghwm Taf Morgannwg, Betsi Cadwaladr ac ym Mhowys, ond cynyddodd ychydig yn Hywel Dda, Aneurin Bevan a Phartneriaeth Cydwasanaethau GIG Cymru.