In 2020 to 2021, the disparity between HMO and non-HMO assessments grew, perhaps in part due to the pandemic, with public health measures making it more difficult to undertake assessments in HMOs.
Yn 2020 i 2021, cwympodd y gyfran hon yn sydyn, efallai oherwydd pandemig y COVID-19, gan y gellir gweld tuedd fel arall ymhlith y rheini sy’n rhoi rhesymau ‘eraill’.