This was a decrease of 25,000 (2.0%) on February 2020, but an increase of 10,100 (0.8%) compared with the lowest point in November 2020.
Roedd hyn yn ostyngiad o 25,000 (2.0%) o gymharu â mis Chwefror 2020, ond yn gynnydd bach o 10,100 (0.8%) o gymharu â’r pwynt isaf ym mis Tachwedd 2020.