One thing that annoys me about each statistic about posts is that I don't know how many of these posts are actually interesting and engaged with.
For example, there is a specific instance that just mirrors reddit content and has barely any engagement. The bot posts mulitple posts per hour, mostly without any comments or upvotes.
It seems rather irrelevant to compare these posts to actually interesting posts with a nice discussion and a couple of upvotes.
My suggestion would be to count and plot the number of posts that have at least a few interactions.

The instance is called lemmit.online, and the most upvoted post on the whole instance is "This bot is bad for lemmy".