[Note 2]: The vertical dotted lines on the graph mark the EU exit deadlines in 2019Q3 and 2020Q1, the start of the COVID-19 pandemic in 2020Q2 and end of the EU exit transition period in 2021Q1.
Disgrifiad o Ffigur 2: Graff llinell sy'n dangos y dangosyddion pwnc; Llythrennedd, Rhifedd a Gwyddoniaeth, o 2016/17 i 2023/24, ac eithrio 2019/20 i 2021/22 gweler [Nodyn 1].