This was a decrease of 29,000 (2.3%) on February 2020, but a slight increase of 6,000 (0.5%) compared with the lowest point in November 2020.
Roedd hyn yn ostyngiad o 29,000 (2.3%) o gymharu â mis Chwefror 2020, ond yn gynnydd bach o 6,000 (0.5%) o gymharu â’r pwynt isaf ym mis Tachwedd 2020.