There were increases in 10 of the 12 UK countries and English regions between 2018 and 2019, with Wales having the smallest percentage decrease (down 0.1%).
Gwelwyd cynnydd ym 10 o'r 12 rhanbarth Saesneg a gwledydd y DU rhwng 2018 a 2019, gyda’r gostyngiad canrannol lleiaf yng Nghymru (i lawr 0.1%).