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The article notes a slump in car sales, but doesn't chart historical bike sales (it only notes that in America bike sales are "solid") It could be coincidence: European bike might have risen, might have stayed the same.

>We decided to delve a little deeper into the figures and see which of these countries had the highest rates of bicycle-to-car ownership.

I'm more interested in historical bike sales, historical car sales, and the correlations and causations we could find, than which countries had the highest rates of bike-to-car ownership.