This script is for Pokémon Essentials. It prints all species usage by trainers, sorted by occurrences, divided by Pokédex and type. This data is useful to balance pokémon usage.
Small piece of output text:
0149 0 Dragonite
0095 1 Onix
0118 1 Goldeen
0120 1 Staryu
0125 1 Electabuzz
0129 1 Magikarp
0074 2 Geodude
Doesn't work on Essentials versions older than v20.
Follow the Script instructions.