Comment by frogpelt

I'm not sure that this is of much significance.

In 2009, in the US, there were 14.9 million bicycles purchased [1] vs. just over 13 million passenger vehicles[2].

[1]: http://nbda.com/articles/industry-overview-2012-pg34.htm

[2]: http://en.wikipedia.org/wiki/Passenger_vehicles_in_the_Unite...