This percentage fell to around 5% to 10% in each three-month period from April 2021 to March 2022, before rising to 13% in April to June 2022 (shown in Figure 4.4).
Cynyddodd pob un o’r tri mynegai ar gyfer Cymru yn flynyddol; y pedwar chwarter diweddaraf (Gorffennaf 2021 i Mehefin 2022).