This was closely followed by the childhood vaccinations uptake and dwellings with poor energy performance indicators, which only scored slightly less than housing affordability.
Daeth y dangosydd ynglŷn â brechiadau ymhlith plant yn ail agos ac yna’r dangosydd ynglŷn â pherfformiad ynni gwael, a sgoriodd lai na fforddiadwyedd tai o ychydig.