Since 2005-06, the percentage decrease has been greatest in Wales (down 35.0%) compared with 19.3% in England and 23.1% in Scotland (Figure 9).
Ers 2005-06, mae canran y gostyngiad wedi bod fwyaf yng Nghymru (i lawr 35.0%) o’i chymharu ag 19.3% yn Lloegr a 23.1% yn yr Alban (Ffigur 9).