This compares to around 13 out of 20 contacts received by children who should have been offered contacts when they reached 3.5 years, the lowest completion rate of any contact.
Cynhaliwyd tua 19 o bob 20 o’r cysylltiadau gyda phlant a ddylai fod wedi cael cynnig cysylltiadau pan oeddent rhwng 10 a 14 oed, y gyfradd gwblhau uchaf o unrhyw gyswllt.