I would expect people that contribute to have a higher old.r percentage, and smaller subreddits as well. (Frankly I expect this to go with age, everybody above

I would expect people that contribute to have a higher old.r percentage, and smaller subreddits as well. (Frankly I expect this to go with age, everybody above 17 must ude old.r in my Imagination). Do you have any insight on this?