However, the service continues to invest in their resources, with the highest expenditure on materials across all Welsh services per 1,000 population.
Fodd bynnag, mae’r gwasanaeth yn parhau i fuddsoddi yn eu adnoddau, gyda’r gwariant uchaf ar ddeunyddiau ymysg holl wasanaethau Cymru fesul 1,000 o’r boblogaeth.