Makeover Monday 2019 week 1 looks at NHL attendances since the 2000-01 season.
A couple of things emerge from an exploration of the data set provided: firstly there are seasons where labour disputes, or lockouts, dramatically affect attendances. Secondly some teams have different stories to the general trend. I spent most of my time exploring and presenting the lockout story, but added a team selector to allow users to explore average game attendance by team.
Interactive version on Tableau Public is available here.