According to a new JD Power study (via Reuters) on retail banking, the number of adults that have changed banks this year have increased from 7.7% two years ago to 9.6% this past year. Adults that switch from the large banks (national and regional) cited bank fees as the number one reason for defecting.

Captivate’s Office Pulse research looks deeper into the winners and losers based on January studies in 2010 and 2012. For a look at a sample of the the results, click here.