However, when comparing quarterly figures across 2022 and 2023, increases in volume and value were higher in the first and second quarters of 2023, compared to the third quarter of 2023.
Fodd bynnag, wrth gymharu ffigurau chwarterol rhwng 2022 a 2023, roedd y cynnydd o ran nifer a gwerth yn uwch yn chwarter cyntaf ac ail chwarter 2023, o'u chymharu â thrydydd chwarter 2023.