The evolution factor is set by the share of researched technologies vs. all technologies. Example: If there are 1000 research topics (techs) and you have researched 250 of them, then the evolution factor is 25%. (Military techs as well as mostly irrelevant techs excluded from calculation)
Small changes concerning balance, gameplay, or graphics.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022