120
Dominant period of construction of housings in France
(images2.imgbox.com)
For the map enthused!
Rules:
post relevant content: interesting, informative, and/or pretty maps
be nice
Unequal bins lead me to wonder if they were cherry picked to tell a specific story. #howToLieWithMaps101
They correspond to the larger eras in French economy.
Then they should be labeled to reflect that.