As in previous years, the Home Office has overlaid its needs-based formula with a top-up mechanism which is funded by the Home Office.
Fel mewn blynyddoedd blaenorol, mae'r Swyddfa Gartref wedi gor-osod ei fformiwla sy'n seiliedig ar anghenion gyda mecanwaith atodol wedi'i ariannu gan y Swyddfa Gartref.