I'm glad you're still earning income from it. It was my favorite of the JVM alt-languages, but it just seemed to have died around 2015 with all the others.

I say "died" but I know that people still write in Scala and Groovy, but how many new projects are you seeing in those languages?

At one point I set out to find work doing Clojure, but not much turned up in my locale. I did one professional project at a former company and only got the green light for using Clojure because it was basically a throw-away in a couple years when a new business process was coming in anyways.

Good luck to you, but it's not a niche I would want to be in. You have to mold yourself to the market, not the other way around (usually).