According to the most recent figures published by Central Bureau of Statistics (CBS), in 2015 the 442.693 households (850.000 residents) in Amsterdam together owned 847.000 bicycles – 1.91 bicycle per household. Previously, wildly different figures were arrived at using a Wisdom of the crowd approach. Theft is widespreadin 2011, about 83,000 bicycles were stolen in Amsterdam. Bicycles are used by all socio-economic groups because of their convenience, Amsterdam's small size, the  of bike paths, the flat terrain, and the inconvenience of driving an automobile.