Some of the top calldata consumers on Ethereum in the last 30 days:

janitor for /zk and some more stuff here linktr.ee/randomishwalk

I'd guess it's also a lot of approvals and transfers

This one very soon. 
In general, check out dotpics.info

Technologist, Natural Philosopher, Wizard

Are these charts available publicly? (Is there a dashboard site or something similar where I can find more of your work?

retired noun | crypto native build0000r | x.com/three_9s

I was really hoping to see some whale doing inscriptions on there. Nope, all rollups!

Real World Ethereum 🌎 
building /daimo ✳️ 

The total calldata used (in bytes) of ALL transactions of the last 30 days

Whats the total? How does it compare to 4844 space?

more than 50% rollup data :) bodes well for 4844 having significant impact!