This interactive web page developed by Allianz is a great resource summarising some of the census and other data sources on cycling.
Good on you Allianz for doing your bit to provide information and promote cycling.
It would be great if all cities and states provided this sort of update on an annual basis. It provides a fantastic barometer on how we are doing in supporting active transport.
Portland, Oregon regularly publishes a short report on cycling in the city on key corridors. It provides a great snap shot of cycling trends in the city. The National Cycling Participation Survey is great, but the information could be presented in a far more accessible format than a PDF report.