I bet more people are getting paid to do Clojure work on production systems than Haskell or Emacs lisp.

That's a really nice web site. It took me a moment to realize it's showing quarterly data (sadly last updated in 2014), and that the ranking is based on the first metric ("number of active repositories").

Not quite as much activity as Scala either. I think the good thing is that functional languages as a whole aren't going anywhere, it's just that the jobs for them are spread very thin over several languages.

Maybe because in Clojure you achieve more with less effort :)