This was a decrease of 27,100 (2.1%) on February 2020, but.an increase of 2,600 (0.2%) compared with the lowest point in July.
Roedd hyn yn ostyngiad o 27,100 (2.1%) o gymharu â mis Chwefror 2020, ond yn gynnydd o 2,600 (0.2%) o gymharu â’r pwynt isaf ym mis Gorffennaf.