The treemap displays which teams in each European league have the most league titles since 1963 where the number of trophies correlates to the size of their rectangle
That's a good point and something I considered but took out because I thought that the size of each rectangle conveyed it well enough. Thanks for the feedback!
As for the date that is when the Bundesliga officially started and seemed to give enough time to show which teams showed patterns of dominance.
[OC] Football league title distribution across the top 5 European leagues
austin_rettig OP t1_iqycig1 wrote
Reply to comment by Pretty_Marzipan_555 in [OC] Football league title distribution across the top 5 European leagues by austin_rettig
The treemap displays which teams in each European league have the most league titles since 1963 where the number of trophies correlates to the size of their rectangle