How much Rust work is actually going on at Cloudflare?

I prepare a monthly report on the Rust jobs market for my company (link to report). This month, I was really surprised to see just how many jobs at Cloudflare mention Rust in the description. I've always known that Cloudflare used Rust from watching some of Steve Klabnik's talks while he was working there, but I don't think I realized the scale of their use. This got me curious. Does anyone have a sense for the following?

• What percentage of the Cloudflare jobs that mention Rust actually include working with Rust say > 25% of the time?
• What types of things are they or might they be using Rust for?