Sometimes I see some odd stats but then I blink (click something) and everything looks good again so I haven't manage to catch it in the act. However, now I did.
It was actually
100 that made me react, since that answer had only received 4 upvotes and the other had received 2 and 40 + 20 = 60. That makes sense. This time I opened another window and left the strange looking one be - and I then saw the correct stats: