*NB: Changing the ages of schools has influenced the numbers attending the Cylchoedd Meithrin, as has the growth of the private sector within the County.
*Dalier Sylw: Mae newid oedrannau ysgolion wedi dylanwadu ar y niferoedd sy’n mynychu’r cylchoedd meithrin, felly hefyd tyfiant y sector breifat o fewn y Sir.