My current TBR on the Toronto Public Library web-site. The list is varied in its composition with fiction, memoirs, business books and general non-fiction throughout. Typically, I only put the next book I want to read from a given author and not all books I want to read by them - although there are some exceptions to that rule.
I have published two previous TBR lists (always around late June/early July). Here is the update from those:
2018 list - 38/182 (21%)
2017 list - 45/111 (41%)
I read about 100 books a year, so clearly they don't all come from my TBR.