The majority of these were delivered by five local authorities, Cardiff (99 units), Carmarthenshire (91 units), Swansea (60 units), Pembrokeshire (57 units) and Denbighshire (56 units).
Darparwyd y mwyafrif ohonynt (75%) gan bum awdurdod lleol, sef Caerdydd (99 o unedau), Sir Gaerfyrddin (91 o unedau), Abertawe (60 o unedau), Sir Benfro (57 o unedau) a Sir Ddinbych (56 o unedau).