Just did a little lookback on previous seasons for the same week (no, I didn't bother aligning where some teams played one or two fewer games). Here is how the bottom three shaped up in each year, after about 22 games;
10/11 - 20, 21, 21
11/12 - 15, 18, 18
12/13 - 14, 16, 19
13/14 - 18, 18, 18...