[Note 1] Due to the COVID-19 pandemic the psychiatric census was suspended for 2020, therefore no data is available.
Oherwydd y pandemig COVID-19, roedd cau dros dro ar waith am 3 mis cyntaf 2021, ac felly nid yw'r ffigurau ar gyfer y chwarter cyntaf ar gael ar gyfer y cyfnod hwn.