Here are the numbers of teams that qualified for Stanley Cup Playoffs, after being in a spot on US Thanksgiving:

2013-14: 13 of 16 qualified
2014-15: 13 of 16 qualified
2015-16: 12 of 16 qualified
2016-17: 13 of 16 qualified
2017-18: 11 of 16 qualified

— John Shannon (@JShannonhl) November 22, 2018