Section 2 showed the largest increase (in terms of numbers) between 2015-16 and 2016-17 rising from 1,211 to 1,246 (35% or 3%).
Adran 2 dangosodd y cynnydd mwyaf (yn nhermau niferoedd) rhwng 2015-16 a 2016-17 gan godi o 1,211 i 1,246 (35% neu 3%).