However, it remained considerably lower than the 50.4 million recorded during 2019-20 (prior to the COVID-19 pandemic).
Fodd bynnag, gwelwyd gostyngiad diweddar cyn ac yn ystod pandemig COVID-19, gyda mis Ebrill 2020 yn gweld y nifer cyfartalog isaf o alwadau ers mis Mai 2011.