Spins analyzes your iTunes library and displays rankings of your most-played tracks. You can configure Spins to show rankers and breakouts based on spins by Song, Artist, Album; rankings can be filtered by Rating, Genre, and Year; see rankings for the entire library or a single playlist. Spins can monitor iTunes and display ranking information updates for the current track. You'll find that Spins is easy to configure and even fun to use.
Give Spins a spin...check out the demo and see what you've been spinning. If you like Spins, $10 unlocks the full-featured version.