Well now... If you mean has the bike population increased in the lower economic class, (people who can only afford a bike for transportation) I would say yes, definitely. At least they have around here. Buggies have been replaced by bicycles, maybe because of a crackdown on stolen buggies... I don't know... How can one tell? Well one just needs to see/pay attention and one would realise that the people who have big garbage bags full of bottles and or their stuff hanging off their bikes has doubled/tripled/quadrupled? Around here it seems anyways...