Description of Figure 11: Line chart showing that prescription volumes had remained close to 28 doses per prescription between March 2020 and March 2022.
Disgrifiad o Ffigur 11: Siart linell sy'n dangos bod cyfeintiau presgripsiynau wedi aros yn agos at 28 dos fesul presgripsiwn rhwng mis Mawrth 2020 a mis Mawrth 2022.