On average 35% of settings were open, up from 32% the previous week and up from 31% in the week before the Whitsun school holidays.
Ar gyfartaledd roedd 35% o leoliadau ar agor, i fyny o’r 32% dros yr wythnos flaenorol ac i fyny ychydig o’r 31% yn yr wythnos cyn y gwyliau ysgol Sulgwyn.