To @dave-m for doing the 100K'th Suggest Edit review! You don't get to milestones like that very often. With 6,733 suggested-edit reviews, Dave has the largest percentage of edit-reviews of any user.
At 318,014 questions (as of this moment), a lot of our catalog has been touched at least once by editors. These days, suggested-edits are about 15% the rate of Questions, and don't get many users helping in the queue.