A quick google search says that in Amsterdam there are 850k bikes and an (estimated) 50-80k bike thefts. Seems like a lot to me. I could just be biased though,

A quick google search says that in Amsterdam there are 850k bikes and an (estimated) 50-80k bike thefts. Seems like a lot to me. I could just be biased though, I've had my bike stolen while in Amsterdam.