What this is
Juxtaposition of same-year rows from different methods; no arithmetic across methods. In 2016-2017 roughly half of 3-12s were reported as liking Pokémon (49.5% boys; Pikachu 68.5%) while 3.6-5.3% of 0-12s named it the favourite.
Where it comes from
Our calculation from other figures in the trainer’s notes.