This has remained relatively consistent since 2014-15, with between 57% and 63% of TAF action plans being closed with a successful outcome each year.
Mae hyn wedi parhau'n gymharol gyson ers 2014-15; caewyd rhwng 57% a 63% o gynlluniau gweithredu TAF â chanlyniad llwyddiannus bob blwyddyn.