On the official blog of Denmark (yes you read that right, the country has an official blog!) they have a nice post on the facts of the bike culture in Denmark.

7. The busiest bike stretch in the nation is Nørrebrogade in Copenhagen. 35,000 cyclists use the street each day.
8. The average speed of cyclists in Copenhagen is 15,3 km/h.
9. Danes cycle just over 1000 km a year per capita. The Dutch occupy second place, just under 1000 km.
10. There are 1.7 million people in Copenhagen and 1.7 million bicycles.
11. Only 40% of Copenhageners own a car.
12. 36% of Copenhageners ride a bicycle, 35% take public transport and the rest drive or walk.