This was a decrease of 32,900 (2.6%) on February 2020, but a slight increase of 4,100 (0.3%) compared with the lowest point in November 2020.
Roedd hyn yn ostyngiad o 32,900 (2.6%) o gymharu â mis Chwefror 2020, ond yn gynnydd bach o 4,100 (0.3%) o gymharu â’r pwynt isaf ym mis Tachwedd 2020.