The new issue of ISO and Agent Weekly came out today and on the left you'll find a graphic from that publication.
It seems that even though Debit has been making gains on Credit for a number of years, the economy, recession, whatever you want to call it, has changed the spending habits of 83% of consumers.
Click the graphic to enlarge.
If you're interested, here a link to the latest issue of ISO and Agent Weekly which is in PDF format: