Figure 1: Numeracy (Procedural): difference in attainment in 2018/19, 2020/21, 2021/22 and 2023/24 relative to 2022/23, in months [Note 1]
Ffigur 1: Rhifedd (Gweithdrefnol): y gwahaniaeth mewn cyrhaeddiad yn 2018/19, 2020/21, 2021/22 a 2023/24 o'i gymharu â 2022/23, mewn misoedd [Nodyn 1]