I wonder how much of this you could attribute to herding in daily approval rating polls that are released by polling organizations. I know it's something 538 and other polling aggregators and observers have been talking about on an ongoing basis, so there's probably no full answer, but I am more curious if it is more "real" to have more variability day to day.

Rap God released 9 years ago so isn't a top 5 spotify stream charts song from 2019, 2020 or 2021

Really cool resource you've put together and a great demonstration of how scientific names aren't just exclusive snobbery, and are really necessary when talking about plants and animals, even within one language, let alone multiple. Good job!