Addressing these gaps will require ongoing activity by the Welsh Government and stakeholder organisations, to monitor and analyse data gathered through secondary sources.
Bydd mynd i'r afael â'r bylchau hyn yn gofyn am weithgarwch parhaus gan Lywodraeth Cymru a sefydliadau rhanddeiliaid, i fonitro a dadansoddi’r data a gesglir trwy ffynonellau eilaidd.