My annual moving annual figure is approaching 250 hours a year (but I'm a part-timer). There's definitely more 'trade' out there for me but I'd have to go part-time in my proper job to accomodate that, and there's probably not enough out there for a full-time instructing job.
I haven't yet seen any slackening off. Good variety too with t/l's, ab-initios, tailwheel, night. If I had my aeros and instruments restrictions lifted I could do even more.
Having said that the owners tell me they're hurting