Passengers leave the Staten Island Ferry terminal January 15, 2010 in New York. (Photo: DON EMMERT/AFP/Getty Images)

Ridership fell last year on just about every form of public transportation in the New York region -- except the Staten Island Ferry. That's appropriate given how the ferry is free to pedestrians.

A year ago, when the recession was just getting underway, transportation officials were noting how expensive forms of getting around--like traffic on the toll bridges over the East and Hudson rivers--were falling, while their cheaper counterparts--like commuter railroads--saw increases. Likewise, Amtrak saw gains at the expense of air travel. But as the economy got even tighter in 2009, even cheap forms of mass transit suffered.

Here for the data geek, how this all breaks down: