Section 2 showed the largest increase (in terms of numbers) between 2016-17 and 2017-18 rising from 1,246 to 1,378 (132 or 11%).
Adran 2 dangosodd y cynnydd mwyaf (yn nhermau niferoedd) rhwng 2016-17 a 2017-18 gan godi o 1,246 i 1,378 (132 neu 11%).