I had noticed it said I was about a dozen books behind schedule -- when I sorted my "Read" Bookshelf by date finished, I noticed a number of them didn't HAVE a "date finished". I've added (approximate) months finished this year, and now it reflects that I'm actually AHEAD of schedule, as I'd expected.
I don't know if this will be seen by everyone on just one site, so I posted to both: https://redd.it/3llaav
I don't know if this will be seen by everyone on just one site, so I posted to both: https://redd.it/3llaav