| Abertawe - Swansea | 227 |
| Bro Morgannwg - the Vale of Glamorgan | 61 |
| Caerdydd - Cardiff | 5 |
| Caerffili - Caerphilly | 6 |
| Castell-nedd Port Talbot - Neath Port Talbot | 94 |
| Conwy | 2 |
| Gwynedd | 1 |
| Pen-y-bont ar Ogwr - Bridgend | 36 |
| Powys | 2 |
| Rhondda Cynon Taf | 17 |
| Sir Ceredigion - Ceredigion | 3 |
| Sir Ddinbych - Denbighshire | 1 |
| Sir Gaerfyrddin - Carmarthenshire | 6 |
| Tor-faen - Torfaen | 7 |
| Wrecsam - Wrexham | 1 |