I marathoned each pokemon generation, from gen 1 to gen 8, and recorded my pokemon team after each gym/trial and the hall of fame. Here are my results. (Original Idea from u/Zezin96) :
Taking a look at the different Pokémon... generations? (Title Pending) | Smogon Forums
A Pokémon Retrospective: Generation 2 - 1999 To 2002 - Feature | Nintendo Life
Choose your favourite Pokemon of each type! - General - Elite Fourum