Low Turnover Rate -- no joke

The Times-Tribune - AP News: "HARRISBURG, Pa. (AP) -- Like an exclusive club, the Pennsylvania General Assembly caters to its members. And once you're in, you're in.
The 253 lawmakers enjoy one of the nation's highest re-election rates, thanks to a system that makes challenges a daunting task, a high public profile that comes with legislative service and an array of image-enhancement services and other tools to help protect incumbents from losing elections.
In the past decade, no more than five legislators have been ousted in any election year - an outcome that raises questions about whether the democratic process has been undermined in Pennsylvania."